Home / 82,719,862.20-124,079,793.30-46,440,156.60

Finding the Fourth Proportional to 82,719,862.20, 124,079,793.30 and 46,440,156.60

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Solution

The fourth proportional to 82,719,862.20, 124,079,793.30 and 46,440,156.60 is: 69,660,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719,862.20 : 124,079,793.30 = 46,440,156.60 : x
  2. Step 2: Convert to fraction form
    82,719,862.20/124,079,793.30 = 46,440,156.60/x
  3. Step 3: Cross multiply
    82,719,862.20x = 124,079,793.30 × 46,440,156.60
  4. Step 4: Simplify right side
    82,719,862.20x = 5,762,285,031,747,631
  5. Step 5: Solve for x
    x = 5,762,285,031,747,631/82,719,862.20
  6. Step 6: Final answer
    x = 69,660,234.90

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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.