Home / 132,102,472.40-198,082,849.80-55,338,772.40

Finding the Fourth Proportional to 132,102,472.40, 198,082,849.80 and 55,338,772.40

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Solution

The fourth proportional to 132,102,472.40, 198,082,849.80 and 55,338,772.40 is: 82,978,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,472.40 : 198,082,849.80 = 55,338,772.40 : x
  2. Step 2: Convert to fraction form
    132,102,472.40/198,082,849.80 = 55,338,772.40/x
  3. Step 3: Cross multiply
    132,102,472.40x = 198,082,849.80 × 55,338,772.40
  4. Step 4: Simplify right side
    132,102,472.40x = 10,961,661,741,425,586
  5. Step 5: Solve for x
    x = 10,961,661,741,425,586/132,102,472.40
  6. Step 6: Final answer
    x = 82,978,475.29

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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.