Home / 129,619,335.20-194,429,002.80-52,916,871.20

Finding the Fourth Proportional to 129,619,335.20, 194,429,002.80 and 52,916,871.20

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Solution

The fourth proportional to 129,619,335.20, 194,429,002.80 and 52,916,871.20 is: 79,375,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,619,335.20 : 194,429,002.80 = 52,916,871.20 : x
  2. Step 2: Convert to fraction form
    129,619,335.20/194,429,002.80 = 52,916,871.20/x
  3. Step 3: Cross multiply
    129,619,335.20x = 194,429,002.80 × 52,916,871.20
  4. Step 4: Simplify right side
    129,619,335.20x = 10,288,574,498,712,040
  5. Step 5: Solve for x
    x = 10,288,574,498,712,040/129,619,335.20
  6. Step 6: Final answer
    x = 79,375,306.80

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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.