Home / 138,366,695.85-190,948,310.04-82,616,987.44

Finding the Fourth Proportional to 138,366,695.85, 190,948,310.04 and 82,616,987.44

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Solution

The fourth proportional to 138,366,695.85, 190,948,310.04 and 82,616,987.44 is: 114,012,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,366,695.85 : 190,948,310.04 = 82,616,987.44 : x
  2. Step 2: Convert to fraction form
    138,366,695.85/190,948,310.04 = 82,616,987.44/x
  3. Step 3: Cross multiply
    138,366,695.85x = 190,948,310.04 × 82,616,987.44
  4. Step 4: Simplify right side
    138,366,695.85x = 15,775,574,132,263,904
  5. Step 5: Solve for x
    x = 15,775,574,132,263,904/138,366,695.85
  6. Step 6: Final answer
    x = 114,012,797.92

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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.