Home / 87,155,999.55-130,720,002.53-26,557,631.55

Finding the Fourth Proportional to 87,155,999.55, 130,720,002.53 and 26,557,631.55

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Solution

The fourth proportional to 87,155,999.55, 130,720,002.53 and 26,557,631.55 is: 39,832,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,155,999.55 : 130,720,002.53 = 26,557,631.55 : x
  2. Step 2: Convert to fraction form
    87,155,999.55/130,720,002.53 = 26,557,631.55/x
  3. Step 3: Cross multiply
    87,155,999.55x = 130,720,002.53 × 26,557,631.55
  4. Step 4: Simplify right side
    87,155,999.55x = 3,471,613,663,274,020
  5. Step 5: Solve for x
    x = 3,471,613,663,274,020/87,155,999.55
  6. Step 6: Final answer
    x = 39,832,182.31

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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.