Home / 57,288,514.80-79,060,236.12-31,181,770.56

Finding the Fourth Proportional to 57,288,514.80, 79,060,236.12 and 31,181,770.56

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Solution

The fourth proportional to 57,288,514.80, 79,060,236.12 and 31,181,770.56 is: 43,031,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,288,514.80 : 79,060,236.12 = 31,181,770.56 : x
  2. Step 2: Convert to fraction form
    57,288,514.80/79,060,236.12 = 31,181,770.56/x
  3. Step 3: Cross multiply
    57,288,514.80x = 79,060,236.12 × 31,181,770.56
  4. Step 4: Simplify right side
    57,288,514.80x = 2,465,238,143,113,264.50
  5. Step 5: Solve for x
    x = 2,465,238,143,113,264.50/57,288,514.80
  6. Step 6: Final answer
    x = 43,031,978.60

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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.