Home / 83,786,388.52-125,678,318.10-37,695,709.81

Finding the Fourth Proportional to 83,786,388.52, 125,678,318.10 and 37,695,709.81

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Solution

The fourth proportional to 83,786,388.52, 125,678,318.10 and 37,695,709.81 is: 56,542,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,786,388.52 : 125,678,318.10 = 37,695,709.81 : x
  2. Step 2: Convert to fraction form
    83,786,388.52/125,678,318.10 = 37,695,709.81/x
  3. Step 3: Cross multiply
    83,786,388.52x = 125,678,318.10 × 37,695,709.81
  4. Step 4: Simplify right side
    83,786,388.52x = 4,737,533,408,506,471
  5. Step 5: Solve for x
    x = 4,737,533,408,506,471/83,786,388.52
  6. Step 6: Final answer
    x = 56,542,995.73

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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.