Home / 57,811,836.54-79,785,380.08-31,711,398.88

Finding the Fourth Proportional to 57,811,836.54, 79,785,380.08 and 31,711,398.88

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Solution

The fourth proportional to 57,811,836.54, 79,785,380.08 and 31,711,398.88 is: 43,764,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811,836.54 : 79,785,380.08 = 31,711,398.88 : x
  2. Step 2: Convert to fraction form
    57,811,836.54/79,785,380.08 = 31,711,398.88/x
  3. Step 3: Cross multiply
    57,811,836.54x = 79,785,380.08 × 31,711,398.88
  4. Step 4: Simplify right side
    57,811,836.54x = 2,530,106,012,509,286
  5. Step 5: Solve for x
    x = 2,530,106,012,509,286/57,811,836.54
  6. Step 6: Final answer
    x = 43,764,498.14

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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.