Home / 57,811,664.34-79,785,142.48-31,711,226.78

Finding the Fourth Proportional to 57,811,664.34, 79,785,142.48 and 31,711,226.78

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Solution

The fourth proportional to 57,811,664.34, 79,785,142.48 and 31,711,226.78 is: 43,764,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,811,664.34 : 79,785,142.48 = 31,711,226.78 : x
  2. Step 2: Convert to fraction form
    57,811,664.34/79,785,142.48 = 31,711,226.78/x
  3. Step 3: Cross multiply
    57,811,664.34x = 79,785,142.48 × 31,711,226.78
  4. Step 4: Simplify right side
    57,811,664.34x = 2,530,084,746,857,892
  5. Step 5: Solve for x
    x = 2,530,084,746,857,892/57,811,664.34
  6. Step 6: Final answer
    x = 43,764,260.65

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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.