Home / 123,722,272.20-185,781,696.30-98,374,067.40

Finding the Fourth Proportional to 123,722,272.20, 185,781,696.30 and 98,374,067.40

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Solution

The fourth proportional to 123,722,272.20, 185,781,696.30 and 98,374,067.40 is: 147,718,763.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722,272.20 : 185,781,696.30 = 98,374,067.40 : x
  2. Step 2: Convert to fraction form
    123,722,272.20/185,781,696.30 = 98,374,067.40/x
  3. Step 3: Cross multiply
    123,722,272.20x = 185,781,696.30 × 98,374,067.40
  4. Step 4: Simplify right side
    123,722,272.20x = 18,276,101,113,502,532
  5. Step 5: Solve for x
    x = 18,276,101,113,502,532/123,722,272.20
  6. Step 6: Final answer
    x = 147,718,763.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.