Home / 89,861,329,780.29-124,012,533,216.53-49,763,309,168.79

Finding the Fourth Proportional to 89,861,329,780.29, 124,012,533,216.53 and 49,763,309,168.79

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Solution

The fourth proportional to 89,861,329,780.29, 124,012,533,216.53 and 49,763,309,168.79 is: 68,675,525,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,780.29 : 124,012,533,216.53 = 49,763,309,168.79 : x
  2. Step 2: Convert to fraction form
    89,861,329,780.29/124,012,533,216.53 = 49,763,309,168.79/x
  3. Step 3: Cross multiply
    89,861,329,780.29x = 124,012,533,216.53 × 49,763,309,168.79
  4. Step 4: Simplify right side
    89,861,329,780.29x = 6,171,274,031,259,021,475,840
  5. Step 5: Solve for x
    x = 6,171,274,031,259,021,475,840/89,861,329,780.29
  6. Step 6: Final answer
    x = 68,675,525,349.42

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Double scale
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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.