Home / 76,687,658.60-115,031,487.90-59,555,575.40

Finding the Fourth Proportional to 76,687,658.60, 115,031,487.90 and 59,555,575.40

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Solution

The fourth proportional to 76,687,658.60, 115,031,487.90 and 59,555,575.40 is: 89,333,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687,658.60 : 115,031,487.90 = 59,555,575.40 : x
  2. Step 2: Convert to fraction form
    76,687,658.60/115,031,487.90 = 59,555,575.40/x
  3. Step 3: Cross multiply
    76,687,658.60x = 115,031,487.90 × 59,555,575.40
  4. Step 4: Simplify right side
    76,687,658.60x = 6,850,766,451,002,638
  5. Step 5: Solve for x
    x = 6,850,766,451,002,638/76,687,658.60
  6. Step 6: Final answer
    x = 89,333,363.10

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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.