Home / 79,510,428.80-119,195,659.20-53,868,291.20

Finding the Fourth Proportional to 79,510,428.80, 119,195,659.20 and 53,868,291.20

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Solution

The fourth proportional to 79,510,428.80, 119,195,659.20 and 53,868,291.20 is: 80,755,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,510,428.80 : 119,195,659.20 = 53,868,291.20 : x
  2. Step 2: Convert to fraction form
    79,510,428.80/119,195,659.20 = 53,868,291.20/x
  3. Step 3: Cross multiply
    79,510,428.80x = 119,195,659.20 × 53,868,291.20
  4. Step 4: Simplify right side
    79,510,428.80x = 6,420,866,479,561,560
  5. Step 5: Solve for x
    x = 6,420,866,479,561,560/79,510,428.80
  6. Step 6: Final answer
    x = 80,755,022.66

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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.