Home / 61,002,505.92-84,162,412.62-38,988,890.76

Finding the Fourth Proportional to 61,002,505.92, 84,162,412.62 and 38,988,890.76

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Solution

The fourth proportional to 61,002,505.92, 84,162,412.62 and 38,988,890.76 is: 53,791,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,002,505.92 : 84,162,412.62 = 38,988,890.76 : x
  2. Step 2: Convert to fraction form
    61,002,505.92/84,162,412.62 = 38,988,890.76/x
  3. Step 3: Cross multiply
    61,002,505.92x = 84,162,412.62 × 38,988,890.76
  4. Step 4: Simplify right side
    61,002,505.92x = 3,281,399,111,739,225.50
  5. Step 5: Solve for x
    x = 3,281,399,111,739,225.50/61,002,505.92
  6. Step 6: Final answer
    x = 53,791,218.28

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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.