Home / 219,147,098.06-302,427,890.73-125,059,371.78

Finding the Fourth Proportional to 219,147,098.06, 302,427,890.73 and 125,059,371.78

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Solution

The fourth proportional to 219,147,098.06, 302,427,890.73 and 125,059,371.78 is: 172,584,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,147,098.06 : 302,427,890.73 = 125,059,371.78 : x
  2. Step 2: Convert to fraction form
    219,147,098.06/302,427,890.73 = 125,059,371.78/x
  3. Step 3: Cross multiply
    219,147,098.06x = 302,427,890.73 × 125,059,371.78
  4. Step 4: Simplify right side
    219,147,098.06x = 37,821,442,023,444,288
  5. Step 5: Solve for x
    x = 37,821,442,023,444,288/219,147,098.06
  6. Step 6: Final answer
    x = 172,584,726.69

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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.