Home / 57,288,513.80-79,060,234.74-31,181,769.56

Finding the Fourth Proportional to 57,288,513.80, 79,060,234.74 and 31,181,769.56

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Solution

The fourth proportional to 57,288,513.80, 79,060,234.74 and 31,181,769.56 is: 43,031,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,288,513.80 : 79,060,234.74 = 31,181,769.56 : x
  2. Step 2: Convert to fraction form
    57,288,513.80/79,060,234.74 = 31,181,769.56/x
  3. Step 3: Cross multiply
    57,288,513.80x = 79,060,234.74 × 31,181,769.56
  4. Step 4: Simplify right side
    57,288,513.80x = 2,465,238,021,022,186
  5. Step 5: Solve for x
    x = 2,465,238,021,022,186/57,288,513.80
  6. Step 6: Final answer
    x = 43,031,977.22

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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.