Home / 57,467,191.38-79,306,403.85-31,363,384.56

Finding the Fourth Proportional to 57,467,191.38, 79,306,403.85 and 31,363,384.56

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Solution

The fourth proportional to 57,467,191.38, 79,306,403.85 and 31,363,384.56 is: 43,282,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,467,191.38 : 79,306,403.85 = 31,363,384.56 : x
  2. Step 2: Convert to fraction form
    57,467,191.38/79,306,403.85 = 31,363,384.56/x
  3. Step 3: Cross multiply
    57,467,191.38x = 79,306,403.85 × 31,363,384.56
  4. Step 4: Simplify right side
    57,467,191.38x = 2,487,317,242,018,214.50
  5. Step 5: Solve for x
    x = 2,487,317,242,018,214.50/57,467,191.38
  6. Step 6: Final answer
    x = 43,282,387.43

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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.