Home / 132,869,912.60-199,304,868.90-120,115,328.60

Finding the Fourth Proportional to 132,869,912.60, 199,304,868.90 and 120,115,328.60

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Solution

The fourth proportional to 132,869,912.60, 199,304,868.90 and 120,115,328.60 is: 180,172,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,869,912.60 : 199,304,868.90 = 120,115,328.60 : x
  2. Step 2: Convert to fraction form
    132,869,912.60/199,304,868.90 = 120,115,328.60/x
  3. Step 3: Cross multiply
    132,869,912.60x = 199,304,868.90 × 120,115,328.60
  4. Step 4: Simplify right side
    132,869,912.60x = 23,939,569,819,503,420
  5. Step 5: Solve for x
    x = 23,939,569,819,503,420/132,869,912.60
  6. Step 6: Final answer
    x = 180,172,992.90

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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.