Home / 132,096,591.40-198,144,887.10-80,440,526.20

Finding the Fourth Proportional to 132,096,591.40, 198,144,887.10 and 80,440,526.20

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Solution

The fourth proportional to 132,096,591.40, 198,144,887.10 and 80,440,526.20 is: 120,660,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,096,591.40 : 198,144,887.10 = 80,440,526.20 : x
  2. Step 2: Convert to fraction form
    132,096,591.40/198,144,887.10 = 80,440,526.20/x
  3. Step 3: Cross multiply
    132,096,591.40x = 198,144,887.10 × 80,440,526.20
  4. Step 4: Simplify right side
    132,096,591.40x = 15,938,878,982,163,592
  5. Step 5: Solve for x
    x = 15,938,878,982,163,592/132,096,591.40
  6. Step 6: Final answer
    x = 120,660,789.30

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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.