Home / 77,102,401.15-115,653,995.25-25,984,862.83

Finding the Fourth Proportional to 77,102,401.15, 115,653,995.25 and 25,984,862.83

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Solution

The fourth proportional to 77,102,401.15, 115,653,995.25 and 25,984,862.83 is: 38,977,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,401.15 : 115,653,995.25 = 25,984,862.83 : x
  2. Step 2: Convert to fraction form
    77,102,401.15/115,653,995.25 = 25,984,862.83/x
  3. Step 3: Cross multiply
    77,102,401.15x = 115,653,995.25 × 25,984,862.83
  4. Step 4: Simplify right side
    77,102,401.15x = 3,005,253,202,312,721.50
  5. Step 5: Solve for x
    x = 3,005,253,202,312,721.50/77,102,401.15
  6. Step 6: Final answer
    x = 38,977,426.87

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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.