Home / 77,056,265.66-115,566,711.26-45,940,727.21

Finding the Fourth Proportional to 77,056,265.66, 115,566,711.26 and 45,940,727.21

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Solution

The fourth proportional to 77,056,265.66, 115,566,711.26 and 45,940,727.21 is: 68,900,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,056,265.66 : 115,566,711.26 = 45,940,727.21 : x
  2. Step 2: Convert to fraction form
    77,056,265.66/115,566,711.26 = 45,940,727.21/x
  3. Step 3: Cross multiply
    77,056,265.66x = 115,566,711.26 × 45,940,727.21
  4. Step 4: Simplify right side
    77,056,265.66x = 5,309,218,756,667,347
  5. Step 5: Solve for x
    x = 5,309,218,756,667,347/77,056,265.66
  6. Step 6: Final answer
    x = 68,900,545.74

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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.