Home / 72,412,590.13-108,687,143.72-26,398,933.90

Finding the Fourth Proportional to 72,412,590.13, 108,687,143.72 and 26,398,933.90

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Solution

The fourth proportional to 72,412,590.13, 108,687,143.72 and 26,398,933.90 is: 39,623,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,412,590.13 : 108,687,143.72 = 26,398,933.90 : x
  2. Step 2: Convert to fraction form
    72,412,590.13/108,687,143.72 = 26,398,933.90/x
  3. Step 3: Cross multiply
    72,412,590.13x = 108,687,143.72 × 26,398,933.90
  4. Step 4: Simplify right side
    72,412,590.13x = 2,869,224,722,638,359.50
  5. Step 5: Solve for x
    x = 2,869,224,722,638,359.50/72,412,590.13
  6. Step 6: Final answer
    x = 39,623,285.36

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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.