Home / 132,108,015.60-198,162,023.40-80,451,950.40

Finding the Fourth Proportional to 132,108,015.60, 198,162,023.40 and 80,451,950.40

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Solution

The fourth proportional to 132,108,015.60, 198,162,023.40 and 80,451,950.40 is: 120,677,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108,015.60 : 198,162,023.40 = 80,451,950.40 : x
  2. Step 2: Convert to fraction form
    132,108,015.60/198,162,023.40 = 80,451,950.40/x
  3. Step 3: Cross multiply
    132,108,015.60x = 198,162,023.40 × 80,451,950.40
  4. Step 4: Simplify right side
    132,108,015.60x = 15,942,521,277,740,442
  5. Step 5: Solve for x
    x = 15,942,521,277,740,442/132,108,015.60
  6. Step 6: Final answer
    x = 120,677,925.60

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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.