Home / 136,395,721.11-204,722,928.44-84,423,111.15

Finding the Fourth Proportional to 136,395,721.11, 204,722,928.44 and 84,423,111.15

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Solution

The fourth proportional to 136,395,721.11, 204,722,928.44 and 84,423,111.15 is: 126,714,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,395,721.11 : 204,722,928.44 = 84,423,111.15 : x
  2. Step 2: Convert to fraction form
    136,395,721.11/204,722,928.44 = 84,423,111.15/x
  3. Step 3: Cross multiply
    136,395,721.11x = 204,722,928.44 × 84,423,111.15
  4. Step 4: Simplify right side
    136,395,721.11x = 17,283,346,542,643,618
  5. Step 5: Solve for x
    x = 17,283,346,542,643,618/136,395,721.11
  6. Step 6: Final answer
    x = 126,714,726.84

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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.