Home / 161,862,775.22-223,357,126.65-91,294,496.66

Finding the Fourth Proportional to 161,862,775.22, 223,357,126.65 and 91,294,496.66

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Solution

The fourth proportional to 161,862,775.22, 223,357,126.65 and 91,294,496.66 is: 125,978,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,862,775.22 : 223,357,126.65 = 91,294,496.66 : x
  2. Step 2: Convert to fraction form
    161,862,775.22/223,357,126.65 = 91,294,496.66/x
  3. Step 3: Cross multiply
    161,862,775.22x = 223,357,126.65 × 91,294,496.66
  4. Step 4: Simplify right side
    161,862,775.22x = 20,391,276,452,935,620
  5. Step 5: Solve for x
    x = 20,391,276,452,935,620/161,862,775.22
  6. Step 6: Final answer
    x = 125,978,789.29

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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.