Home / 132,890,910.80-199,392,353.40-72,350,085.20

Finding the Fourth Proportional to 132,890,910.80, 199,392,353.40 and 72,350,085.20

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Solution

The fourth proportional to 132,890,910.80, 199,392,353.40 and 72,350,085.20 is: 108,555,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890,910.80 : 199,392,353.40 = 72,350,085.20 : x
  2. Step 2: Convert to fraction form
    132,890,910.80/199,392,353.40 = 72,350,085.20/x
  3. Step 3: Cross multiply
    132,890,910.80x = 199,392,353.40 × 72,350,085.20
  4. Step 4: Simplify right side
    132,890,910.80x = 14,426,053,756,718,510
  5. Step 5: Solve for x
    x = 14,426,053,756,718,510/132,890,910.80
  6. Step 6: Final answer
    x = 108,555,609.03

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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.