Home / 50,187,932.31-69,259,380.72-28,158,390.66

Finding the Fourth Proportional to 50,187,932.31, 69,259,380.72 and 28,158,390.66

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Solution

The fourth proportional to 50,187,932.31, 69,259,380.72 and 28,158,390.66 is: 38,858,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,187,932.31 : 69,259,380.72 = 28,158,390.66 : x
  2. Step 2: Convert to fraction form
    50,187,932.31/69,259,380.72 = 28,158,390.66/x
  3. Step 3: Cross multiply
    50,187,932.31x = 69,259,380.72 × 28,158,390.66
  4. Step 4: Simplify right side
    50,187,932.31x = 1,950,232,699,183,432
  5. Step 5: Solve for x
    x = 1,950,232,699,183,432/50,187,932.31
  6. Step 6: Final answer
    x = 38,858,598.26

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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.