Home / 132,218,723.20-198,328,084.80-101,607,721.60

Finding the Fourth Proportional to 132,218,723.20, 198,328,084.80 and 101,607,721.60

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Solution

The fourth proportional to 132,218,723.20, 198,328,084.80 and 101,607,721.60 is: 152,411,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218,723.20 : 198,328,084.80 = 101,607,721.60 : x
  2. Step 2: Convert to fraction form
    132,218,723.20/198,328,084.80 = 101,607,721.60/x
  3. Step 3: Cross multiply
    132,218,723.20x = 198,328,084.80 × 101,607,721.60
  4. Step 4: Simplify right side
    132,218,723.20x = 20,151,664,825,819,592
  5. Step 5: Solve for x
    x = 20,151,664,825,819,592/132,218,723.20
  6. Step 6: Final answer
    x = 152,411,582.40

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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.