Home / 132,869,912.10-199,304,868.15-120,115,328.10

Finding the Fourth Proportional to 132,869,912.10, 199,304,868.15 and 120,115,328.10

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Solution

The fourth proportional to 132,869,912.10, 199,304,868.15 and 120,115,328.10 is: 180,172,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,869,912.10 : 199,304,868.15 = 120,115,328.10 : x
  2. Step 2: Convert to fraction form
    132,869,912.10/199,304,868.15 = 120,115,328.10/x
  3. Step 3: Cross multiply
    132,869,912.10x = 199,304,868.15 × 120,115,328.10
  4. Step 4: Simplify right side
    132,869,912.10x = 23,939,569,629,764,488
  5. Step 5: Solve for x
    x = 23,939,569,629,764,488/132,869,912.10
  6. Step 6: Final answer
    x = 180,172,992.15

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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.