Home / 132,119,961.40-198,179,942.10-112,988,085.40

Finding the Fourth Proportional to 132,119,961.40, 198,179,942.10 and 112,988,085.40

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Solution

The fourth proportional to 132,119,961.40, 198,179,942.10 and 112,988,085.40 is: 169,482,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,119,961.40 : 198,179,942.10 = 112,988,085.40 : x
  2. Step 2: Convert to fraction form
    132,119,961.40/198,179,942.10 = 112,988,085.40/x
  3. Step 3: Cross multiply
    132,119,961.40x = 198,179,942.10 × 112,988,085.40
  4. Step 4: Simplify right side
    132,119,961.40x = 22,391,972,222,561,856
  5. Step 5: Solve for x
    x = 22,391,972,222,561,856/132,119,961.40
  6. Step 6: Final answer
    x = 169,482,128.10

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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.