Home / 78,814,310.68-108,781,882.14-46,229,760.28

Finding the Fourth Proportional to 78,814,310.68, 108,781,882.14 and 46,229,760.28

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Solution

The fourth proportional to 78,814,310.68, 108,781,882.14 and 46,229,760.28 is: 63,807,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,814,310.68 : 108,781,882.14 = 46,229,760.28 : x
  2. Step 2: Convert to fraction form
    78,814,310.68/108,781,882.14 = 46,229,760.28/x
  3. Step 3: Cross multiply
    78,814,310.68x = 108,781,882.14 × 46,229,760.28
  4. Step 4: Simplify right side
    78,814,310.68x = 5,028,960,334,139,414
  5. Step 5: Solve for x
    x = 5,028,960,334,139,414/78,814,310.68
  6. Step 6: Final answer
    x = 63,807,705.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.