Home / 57,474,221.43-79,313,301.32-31,368,926.43

Finding the Fourth Proportional to 57,474,221.43, 79,313,301.32 and 31,368,926.43

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Solution

The fourth proportional to 57,474,221.43, 79,313,301.32 and 31,368,926.43 is: 43,288,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,221.43 : 79,313,301.32 = 31,368,926.43 : x
  2. Step 2: Convert to fraction form
    57,474,221.43/79,313,301.32 = 31,368,926.43/x
  3. Step 3: Cross multiply
    57,474,221.43x = 79,313,301.32 × 31,368,926.43
  4. Step 4: Simplify right side
    57,474,221.43x = 2,487,973,113,870,657
  5. Step 5: Solve for x
    x = 2,487,973,113,870,657/57,474,221.43
  6. Step 6: Final answer
    x = 43,288,504.86

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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.