Home / 132,119,958.40-198,179,937.60-112,988,082.40

Finding the Fourth Proportional to 132,119,958.40, 198,179,937.60 and 112,988,082.40

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Solution

The fourth proportional to 132,119,958.40, 198,179,937.60 and 112,988,082.40 is: 169,482,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,119,958.40 : 198,179,937.60 = 112,988,082.40 : x
  2. Step 2: Convert to fraction form
    132,119,958.40/198,179,937.60 = 112,988,082.40/x
  3. Step 3: Cross multiply
    132,119,958.40x = 198,179,937.60 × 112,988,082.40
  4. Step 4: Simplify right side
    132,119,958.40x = 22,391,971,119,575,660
  5. Step 5: Solve for x
    x = 22,391,971,119,575,660/132,119,958.40
  6. Step 6: Final answer
    x = 169,482,123.60

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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.