Home / 132,098,686.80-198,148,030.20-122,532,748.80

Finding the Fourth Proportional to 132,098,686.80, 198,148,030.20 and 122,532,748.80

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Solution

The fourth proportional to 132,098,686.80, 198,148,030.20 and 122,532,748.80 is: 183,799,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,098,686.80 : 198,148,030.20 = 122,532,748.80 : x
  2. Step 2: Convert to fraction form
    132,098,686.80/198,148,030.20 = 122,532,748.80/x
  3. Step 3: Cross multiply
    132,098,686.80x = 198,148,030.20 × 122,532,748.80
  4. Step 4: Simplify right side
    132,098,686.80x = 24,279,622,809,711,412
  5. Step 5: Solve for x
    x = 24,279,622,809,711,412/132,098,686.80
  6. Step 6: Final answer
    x = 183,799,123.20

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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.