Home / 87,156,502.40-130,398,830.40-56,923,414.40

Finding the Fourth Proportional to 87,156,502.40, 130,398,830.40 and 56,923,414.40

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Solution

The fourth proportional to 87,156,502.40, 130,398,830.40 and 56,923,414.40 is: 85,165,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,502.40 : 130,398,830.40 = 56,923,414.40 : x
  2. Step 2: Convert to fraction form
    87,156,502.40/130,398,830.40 = 56,923,414.40/x
  3. Step 3: Cross multiply
    87,156,502.40x = 130,398,830.40 × 56,923,414.40
  4. Step 4: Simplify right side
    87,156,502.40x = 7,422,746,660,134,518
  5. Step 5: Solve for x
    x = 7,422,746,660,134,518/87,156,502.40
  6. Step 6: Final answer
    x = 85,165,724.37

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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.