Home / 132,119,810.40-198,179,715.60-112,987,934.40

Finding the Fourth Proportional to 132,119,810.40, 198,179,715.60 and 112,987,934.40

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Solution

The fourth proportional to 132,119,810.40, 198,179,715.60 and 112,987,934.40 is: 169,481,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,119,810.40 : 198,179,715.60 = 112,987,934.40 : x
  2. Step 2: Convert to fraction form
    132,119,810.40/198,179,715.60 = 112,987,934.40/x
  3. Step 3: Cross multiply
    132,119,810.40x = 198,179,715.60 × 112,987,934.40
  4. Step 4: Simplify right side
    132,119,810.40x = 22,391,916,705,623,456
  5. Step 5: Solve for x
    x = 22,391,916,705,623,456/132,119,810.40
  6. Step 6: Final answer
    x = 169,481,901.60

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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.