Home / 132,867,143.40-199,300,715.10-120,750,288.60

Finding the Fourth Proportional to 132,867,143.40, 199,300,715.10 and 120,750,288.60

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Solution

The fourth proportional to 132,867,143.40, 199,300,715.10 and 120,750,288.60 is: 181,125,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867,143.40 : 199,300,715.10 = 120,750,288.60 : x
  2. Step 2: Convert to fraction form
    132,867,143.40/199,300,715.10 = 120,750,288.60/x
  3. Step 3: Cross multiply
    132,867,143.40x = 199,300,715.10 × 120,750,288.60
  4. Step 4: Simplify right side
    132,867,143.40x = 24,065,618,866,511,376
  5. Step 5: Solve for x
    x = 24,065,618,866,511,376/132,867,143.40
  6. Step 6: Final answer
    x = 181,125,432.90

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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.