Home / 57,884,849.27-79,881,231.44-31,781,049.74

Finding the Fourth Proportional to 57,884,849.27, 79,881,231.44 and 31,781,049.74

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Solution

The fourth proportional to 57,884,849.27, 79,881,231.44 and 31,781,049.74 is: 43,857,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,884,849.27 : 79,881,231.44 = 31,781,049.74 : x
  2. Step 2: Convert to fraction form
    57,884,849.27/79,881,231.44 = 31,781,049.74/x
  3. Step 3: Cross multiply
    57,884,849.27x = 79,881,231.44 × 31,781,049.74
  4. Step 4: Simplify right side
    57,884,849.27x = 2,538,709,389,687,091.50
  5. Step 5: Solve for x
    x = 2,538,709,389,687,091.50/57,884,849.27
  6. Step 6: Final answer
    x = 43,857,925.20

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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.