Home / 77,056,265.91-115,566,711.64-45,940,727.46

Finding the Fourth Proportional to 77,056,265.91, 115,566,711.64 and 45,940,727.46

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Solution

The fourth proportional to 77,056,265.91, 115,566,711.64 and 45,940,727.46 is: 68,900,546.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,056,265.91 : 115,566,711.64 = 45,940,727.46 : x
  2. Step 2: Convert to fraction form
    77,056,265.91/115,566,711.64 = 45,940,727.46/x
  3. Step 3: Cross multiply
    77,056,265.91x = 115,566,711.64 × 45,940,727.46
  4. Step 4: Simplify right side
    77,056,265.91x = 5,309,218,802,786,798
  5. Step 5: Solve for x
    x = 5,309,218,802,786,798/77,056,265.91
  6. Step 6: Final answer
    x = 68,900,546.12

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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.