Home / 89,861,329,798.43-124,012,533,241.54-49,763,309,186.92

Finding the Fourth Proportional to 89,861,329,798.43, 124,012,533,241.54 and 49,763,309,186.92

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Solution

The fourth proportional to 89,861,329,798.43, 124,012,533,241.54 and 49,763,309,186.92 is: 68,675,525,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,798.43 : 124,012,533,241.54 = 49,763,309,186.92 : x
  2. Step 2: Convert to fraction form
    89,861,329,798.43/124,012,533,241.54 = 49,763,309,186.92/x
  3. Step 3: Cross multiply
    89,861,329,798.43x = 124,012,533,241.54 × 49,763,309,186.92
  4. Step 4: Simplify right side
    89,861,329,798.43x = 6,171,274,034,751,948,718,080
  5. Step 5: Solve for x
    x = 6,171,274,034,751,948,718,080/89,861,329,798.43
  6. Step 6: Final answer
    x = 68,675,525,374.43

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Double scale
Find fourth proportional to 89,861,329,799.43, 124,012,533,242.92 and 49,763,309,187.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.