Home / 132,091,808.20-198,137,712.30-51,260,288.20

Finding the Fourth Proportional to 132,091,808.20, 198,137,712.30 and 51,260,288.20

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Solution

The fourth proportional to 132,091,808.20, 198,137,712.30 and 51,260,288.20 is: 76,890,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,091,808.20 : 198,137,712.30 = 51,260,288.20 : x
  2. Step 2: Convert to fraction form
    132,091,808.20/198,137,712.30 = 51,260,288.20/x
  3. Step 3: Cross multiply
    132,091,808.20x = 198,137,712.30 × 51,260,288.20
  4. Step 4: Simplify right side
    132,091,808.20x = 10,156,596,235,786,686
  5. Step 5: Solve for x
    x = 10,156,596,235,786,686/132,091,808.20
  6. Step 6: Final answer
    x = 76,890,432.30

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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.