Home / 83,597,445.77-125,346,498.28-31,785,837.20

Finding the Fourth Proportional to 83,597,445.77, 125,346,498.28 and 31,785,837.20

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Solution

The fourth proportional to 83,597,445.77, 125,346,498.28 and 31,785,837.20 is: 47,659,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,597,445.77 : 125,346,498.28 = 31,785,837.20 : x
  2. Step 2: Convert to fraction form
    83,597,445.77/125,346,498.28 = 31,785,837.20/x
  3. Step 3: Cross multiply
    83,597,445.77x = 125,346,498.28 × 31,785,837.20
  4. Step 4: Simplify right side
    83,597,445.77x = 3,984,243,387,211,963
  5. Step 5: Solve for x
    x = 3,984,243,387,211,963/83,597,445.77
  6. Step 6: Final answer
    x = 47,659,869.87

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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.