Home / 132,192,011.70-198,288,017.55-80,459,838.90

Finding the Fourth Proportional to 132,192,011.70, 198,288,017.55 and 80,459,838.90

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Solution

The fourth proportional to 132,192,011.70, 198,288,017.55 and 80,459,838.90 is: 120,689,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,192,011.70 : 198,288,017.55 = 80,459,838.90 : x
  2. Step 2: Convert to fraction form
    132,192,011.70/198,288,017.55 = 80,459,838.90/x
  3. Step 3: Cross multiply
    132,192,011.70x = 198,288,017.55 × 80,459,838.90
  4. Step 4: Simplify right side
    132,192,011.70x = 15,954,221,947,873,374
  5. Step 5: Solve for x
    x = 15,954,221,947,873,374/132,192,011.70
  6. Step 6: Final answer
    x = 120,689,758.35

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1.5x scale

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.