Home / 121,276,304.78-181,914,372.97-29,160,012.40

Finding the Fourth Proportional to 121,276,304.78, 181,914,372.97 and 29,160,012.40

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Solution

The fourth proportional to 121,276,304.78, 181,914,372.97 and 29,160,012.40 is: 43,739,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,276,304.78 : 181,914,372.97 = 29,160,012.40 : x
  2. Step 2: Convert to fraction form
    121,276,304.78/181,914,372.97 = 29,160,012.40/x
  3. Step 3: Cross multiply
    121,276,304.78x = 181,914,372.97 × 29,160,012.40
  4. Step 4: Simplify right side
    121,276,304.78x = 5,304,625,371,015,739
  5. Step 5: Solve for x
    x = 5,304,625,371,015,739/121,276,304.78
  6. Step 6: Final answer
    x = 43,739,998.35

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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.