Home / 83,786,389.52-125,678,319.60-37,695,710.81

Finding the Fourth Proportional to 83,786,389.52, 125,678,319.60 and 37,695,710.81

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Solution

The fourth proportional to 83,786,389.52, 125,678,319.60 and 37,695,710.81 is: 56,542,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,786,389.52 : 125,678,319.60 = 37,695,710.81 : x
  2. Step 2: Convert to fraction form
    83,786,389.52/125,678,319.60 = 37,695,710.81/x
  3. Step 3: Cross multiply
    83,786,389.52x = 125,678,319.60 × 37,695,710.81
  4. Step 4: Simplify right side
    83,786,389.52x = 4,737,533,590,728,355
  5. Step 5: Solve for x
    x = 4,737,533,590,728,355/83,786,389.52
  6. Step 6: Final answer
    x = 56,542,997.23

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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.