Home / 62,490,683.92-86,218,489.57-40,429,248.52

Finding the Fourth Proportional to 62,490,683.92, 86,218,489.57 and 40,429,248.52

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Solution

The fourth proportional to 62,490,683.92, 86,218,489.57 and 40,429,248.52 is: 55,780,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,490,683.92 : 86,218,489.57 = 40,429,248.52 : x
  2. Step 2: Convert to fraction form
    62,490,683.92/86,218,489.57 = 40,429,248.52/x
  3. Step 3: Cross multiply
    62,490,683.92x = 86,218,489.57 × 40,429,248.52
  4. Step 4: Simplify right side
    62,490,683.92x = 3,485,748,741,211,319
  5. Step 5: Solve for x
    x = 3,485,748,741,211,319/62,490,683.92
  6. Step 6: Final answer
    x = 55,780,294.32

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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.