Home / 132,192,002.70-198,288,004.05-83,512,007.10

Finding the Fourth Proportional to 132,192,002.70, 198,288,004.05 and 83,512,007.10

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Solution

The fourth proportional to 132,192,002.70, 198,288,004.05 and 83,512,007.10 is: 125,268,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,002.70 : 198,288,004.05 = 83,512,007.10 : x
  2. Step 2: Convert to fraction form
    132,192,002.70/198,288,004.05 = 83,512,007.10/x
  3. Step 3: Cross multiply
    132,192,002.70x = 198,288,004.05 × 83,512,007.10
  4. Step 4: Simplify right side
    132,192,002.70x = 16,559,429,202,068,428
  5. Step 5: Solve for x
    x = 16,559,429,202,068,428/132,192,002.70
  6. Step 6: Final answer
    x = 125,268,010.65

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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.