Home / 145,215,000.10-217,822,500.15-112,336,516.90

Finding the Fourth Proportional to 145,215,000.10, 217,822,500.15 and 112,336,516.90

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Solution

The fourth proportional to 145,215,000.10, 217,822,500.15 and 112,336,516.90 is: 168,504,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,215,000.10 : 217,822,500.15 = 112,336,516.90 : x
  2. Step 2: Convert to fraction form
    145,215,000.10/217,822,500.15 = 112,336,516.90/x
  3. Step 3: Cross multiply
    145,215,000.10x = 217,822,500.15 × 112,336,516.90
  4. Step 4: Simplify right side
    145,215,000.10x = 24,469,420,969,300,728
  5. Step 5: Solve for x
    x = 24,469,420,969,300,728/145,215,000.10
  6. Step 6: Final answer
    x = 168,504,775.35

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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.