Home / 117,078,294.71-161,567,920.49-64,156,292.80

Finding the Fourth Proportional to 117,078,294.71, 161,567,920.49 and 64,156,292.80

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Solution

The fourth proportional to 117,078,294.71, 161,567,920.49 and 64,156,292.80 is: 88,535,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,078,294.71 : 161,567,920.49 = 64,156,292.80 : x
  2. Step 2: Convert to fraction form
    117,078,294.71/161,567,920.49 = 64,156,292.80/x
  3. Step 3: Cross multiply
    117,078,294.71x = 161,567,920.49 × 64,156,292.80
  4. Step 4: Simplify right side
    117,078,294.71x = 10,365,598,813,318,860
  5. Step 5: Solve for x
    x = 10,365,598,813,318,860/117,078,294.71
  6. Step 6: Final answer
    x = 88,535,614.90

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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.