Home / 132,890,708.40-199,336,062.60-100,642,081.20

Finding the Fourth Proportional to 132,890,708.40, 199,336,062.60 and 100,642,081.20

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Solution

The fourth proportional to 132,890,708.40, 199,336,062.60 and 100,642,081.20 is: 150,963,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,890,708.40 : 199,336,062.60 = 100,642,081.20 : x
  2. Step 2: Convert to fraction form
    132,890,708.40/199,336,062.60 = 100,642,081.20/x
  3. Step 3: Cross multiply
    132,890,708.40x = 199,336,062.60 × 100,642,081.20
  4. Step 4: Simplify right side
    132,890,708.40x = 20,061,596,198,277,484
  5. Step 5: Solve for x
    x = 20,061,596,198,277,484/132,890,708.40
  6. Step 6: Final answer
    x = 150,963,121.80

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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.