Home / 163,644,693.38-225,829,617.22-89,305,254.12

Finding the Fourth Proportional to 163,644,693.38, 225,829,617.22 and 89,305,254.12

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Solution

The fourth proportional to 163,644,693.38, 225,829,617.22 and 89,305,254.12 is: 123,241,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,644,693.38 : 225,829,617.22 = 89,305,254.12 : x
  2. Step 2: Convert to fraction form
    163,644,693.38/225,829,617.22 = 89,305,254.12/x
  3. Step 3: Cross multiply
    163,644,693.38x = 225,829,617.22 × 89,305,254.12
  4. Step 4: Simplify right side
    163,644,693.38x = 20,167,771,353,654,428
  5. Step 5: Solve for x
    x = 20,167,771,353,654,428/163,644,693.38
  6. Step 6: Final answer
    x = 123,241,218.14

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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.