Home / 123,739,966.01-170,758,407.21-67,223,251.73

Finding the Fourth Proportional to 123,739,966.01, 170,758,407.21 and 67,223,251.73

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Solution

The fourth proportional to 123,739,966.01, 170,758,407.21 and 67,223,251.73 is: 92,766,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,739,966.01 : 170,758,407.21 = 67,223,251.73 : x
  2. Step 2: Convert to fraction form
    123,739,966.01/170,758,407.21 = 67,223,251.73/x
  3. Step 3: Cross multiply
    123,739,966.01x = 170,758,407.21 × 67,223,251.73
  4. Step 4: Simplify right side
    123,739,966.01x = 11,478,935,392,891,678
  5. Step 5: Solve for x
    x = 11,478,935,392,891,678/123,739,966.01
  6. Step 6: Final answer
    x = 92,766,595.65

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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.