Home / 132,192,004.70-198,288,007.05-83,512,009.10

Finding the Fourth Proportional to 132,192,004.70, 198,288,007.05 and 83,512,009.10

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Solution

The fourth proportional to 132,192,004.70, 198,288,007.05 and 83,512,009.10 is: 125,268,013.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,004.70 : 198,288,007.05 = 83,512,009.10 : x
  2. Step 2: Convert to fraction form
    132,192,004.70/198,288,007.05 = 83,512,009.10/x
  3. Step 3: Cross multiply
    132,192,004.70x = 198,288,007.05 × 83,512,009.10
  4. Step 4: Simplify right side
    132,192,004.70x = 16,559,429,849,180,464
  5. Step 5: Solve for x
    x = 16,559,429,849,180,464/132,192,004.70
  6. Step 6: Final answer
    x = 125,268,013.65

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1.5x scale

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.