Home / 161,862,773.22-223,357,123.89-91,294,494.66

Finding the Fourth Proportional to 161,862,773.22, 223,357,123.89 and 91,294,494.66

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Solution

The fourth proportional to 161,862,773.22, 223,357,123.89 and 91,294,494.66 is: 125,978,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,862,773.22 : 223,357,123.89 = 91,294,494.66 : x
  2. Step 2: Convert to fraction form
    161,862,773.22/223,357,123.89 = 91,294,494.66/x
  3. Step 3: Cross multiply
    161,862,773.22x = 223,357,123.89 × 91,294,494.66
  4. Step 4: Simplify right side
    161,862,773.22x = 20,391,275,754,248,560
  5. Step 5: Solve for x
    x = 20,391,275,754,248,560/161,862,773.22
  6. Step 6: Final answer
    x = 125,978,786.53

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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.