Home / 132,096,557.60-198,144,836.40-80,440,492.40

Finding the Fourth Proportional to 132,096,557.60, 198,144,836.40 and 80,440,492.40

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Solution

The fourth proportional to 132,096,557.60, 198,144,836.40 and 80,440,492.40 is: 120,660,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,096,557.60 : 198,144,836.40 = 80,440,492.40 : x
  2. Step 2: Convert to fraction form
    132,096,557.60/198,144,836.40 = 80,440,492.40/x
  3. Step 3: Cross multiply
    132,096,557.60x = 198,144,836.40 × 80,440,492.40
  4. Step 4: Simplify right side
    132,096,557.60x = 15,938,868,206,533,446
  5. Step 5: Solve for x
    x = 15,938,868,206,533,446/132,096,557.60
  6. Step 6: Final answer
    x = 120,660,738.60

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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.