Home / 87,680,784.60-131,521,176.90-47,370,000.60

Finding the Fourth Proportional to 87,680,784.60, 131,521,176.90 and 47,370,000.60

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Solution

The fourth proportional to 87,680,784.60, 131,521,176.90 and 47,370,000.60 is: 71,055,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,680,784.60 : 131,521,176.90 = 47,370,000.60 : x
  2. Step 2: Convert to fraction form
    87,680,784.60/131,521,176.90 = 47,370,000.60/x
  3. Step 3: Cross multiply
    87,680,784.60x = 131,521,176.90 × 47,370,000.60
  4. Step 4: Simplify right side
    87,680,784.60x = 6,230,158,228,665,707
  5. Step 5: Solve for x
    x = 6,230,158,228,665,707/87,680,784.60
  6. Step 6: Final answer
    x = 71,055,000.90

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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.