Home / 89,861,329,799.11-124,012,533,242.50-49,763,309,187.61

Finding the Fourth Proportional to 89,861,329,799.11, 124,012,533,242.50 and 49,763,309,187.61

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Solution

The fourth proportional to 89,861,329,799.11, 124,012,533,242.50 and 49,763,309,187.61 is: 68,675,525,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,799.11 : 124,012,533,242.50 = 49,763,309,187.61 : x
  2. Step 2: Convert to fraction form
    89,861,329,799.11/124,012,533,242.50 = 49,763,309,187.61/x
  3. Step 3: Cross multiply
    89,861,329,799.11x = 124,012,533,242.50 × 49,763,309,187.61
  4. Step 4: Simplify right side
    89,861,329,799.11x = 6,171,274,034,885,538,349,056
  5. Step 5: Solve for x
    x = 6,171,274,034,885,538,349,056/89,861,329,799.11
  6. Step 6: Final answer
    x = 68,675,525,375.39

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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.