Home / 78,732,127.70-118,098,191.55-58,324,793.30

Finding the Fourth Proportional to 78,732,127.70, 118,098,191.55 and 58,324,793.30

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Solution

The fourth proportional to 78,732,127.70, 118,098,191.55 and 58,324,793.30 is: 87,487,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,127.70 : 118,098,191.55 = 58,324,793.30 : x
  2. Step 2: Convert to fraction form
    78,732,127.70/118,098,191.55 = 58,324,793.30/x
  3. Step 3: Cross multiply
    78,732,127.70x = 118,098,191.55 × 58,324,793.30
  4. Step 4: Simplify right side
    78,732,127.70x = 6,888,052,611,257,556
  5. Step 5: Solve for x
    x = 6,888,052,611,257,556/78,732,127.70
  6. Step 6: Final answer
    x = 87,487,189.95

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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.