Home / 132,840,542.40-199,344,794.40-78,253,022.40

Finding the Fourth Proportional to 132,840,542.40, 199,344,794.40 and 78,253,022.40

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Solution

The fourth proportional to 132,840,542.40, 199,344,794.40 and 78,253,022.40 is: 117,429,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,840,542.40 : 199,344,794.40 = 78,253,022.40 : x
  2. Step 2: Convert to fraction form
    132,840,542.40/199,344,794.40 = 78,253,022.40/x
  3. Step 3: Cross multiply
    132,840,542.40x = 199,344,794.40 × 78,253,022.40
  4. Step 4: Simplify right side
    132,840,542.40x = 15,599,332,661,506,596
  5. Step 5: Solve for x
    x = 15,599,332,661,506,596/132,840,542.40
  6. Step 6: Final answer
    x = 117,429,004.58

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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.