Home / 106,784,042.10-160,174,900.62-81,034,470.87

Finding the Fourth Proportional to 106,784,042.10, 160,174,900.62 and 81,034,470.87

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Solution

The fourth proportional to 106,784,042.10, 160,174,900.62 and 81,034,470.87 is: 121,550,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,784,042.10 : 160,174,900.62 = 81,034,470.87 : x
  2. Step 2: Convert to fraction form
    106,784,042.10/160,174,900.62 = 81,034,470.87/x
  3. Step 3: Cross multiply
    106,784,042.10x = 160,174,900.62 × 81,034,470.87
  4. Step 4: Simplify right side
    106,784,042.10x = 12,979,688,318,396,536
  5. Step 5: Solve for x
    x = 12,979,688,318,396,536/106,784,042.10
  6. Step 6: Final answer
    x = 121,550,824.10

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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.