Home / 71,386,382.40-98,514,663.45-38,793,433.92

Finding the Fourth Proportional to 71,386,382.40, 98,514,663.45 and 38,793,433.92

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Solution

The fourth proportional to 71,386,382.40, 98,514,663.45 and 38,793,433.92 is: 53,535,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,386,382.40 : 98,514,663.45 = 38,793,433.92 : x
  2. Step 2: Convert to fraction form
    71,386,382.40/98,514,663.45 = 38,793,433.92/x
  3. Step 3: Cross multiply
    71,386,382.40x = 98,514,663.45 × 38,793,433.92
  4. Step 4: Simplify right side
    71,386,382.40x = 3,821,722,086,698,614.50
  5. Step 5: Solve for x
    x = 3,821,722,086,698,614.50/71,386,382.40
  6. Step 6: Final answer
    x = 53,535,729.90

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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.