Home / 87,284,930.64-130,779,230.64-52,668,592.31

Finding the Fourth Proportional to 87,284,930.64, 130,779,230.64 and 52,668,592.31

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Solution

The fourth proportional to 87,284,930.64, 130,779,230.64 and 52,668,592.31 is: 78,913,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,284,930.64 : 130,779,230.64 = 52,668,592.31 : x
  2. Step 2: Convert to fraction form
    87,284,930.64/130,779,230.64 = 52,668,592.31/x
  3. Step 3: Cross multiply
    87,284,930.64x = 130,779,230.64 × 52,668,592.31
  4. Step 4: Simplify right side
    87,284,930.64x = 6,887,957,981,323,061
  5. Step 5: Solve for x
    x = 6,887,957,981,323,061/87,284,930.64
  6. Step 6: Final answer
    x = 78,913,484.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.