Home / 132,192,025.45-198,288,038.18-80,459,852.65

Finding the Fourth Proportional to 132,192,025.45, 198,288,038.18 and 80,459,852.65

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Solution

The fourth proportional to 132,192,025.45, 198,288,038.18 and 80,459,852.65 is: 120,689,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,025.45 : 198,288,038.18 = 80,459,852.65 : x
  2. Step 2: Convert to fraction form
    132,192,025.45/198,288,038.18 = 80,459,852.65/x
  3. Step 3: Cross multiply
    132,192,025.45x = 198,288,038.18 × 80,459,852.65
  4. Step 4: Simplify right side
    132,192,025.45x = 15,954,226,334,220,376
  5. Step 5: Solve for x
    x = 15,954,226,334,220,376/132,192,025.45
  6. Step 6: Final answer
    x = 120,689,778.98

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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.