Home / 153,797,695.26-212,242,143.02-87,721,540.46

Finding the Fourth Proportional to 153,797,695.26, 212,242,143.02 and 87,721,540.46

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Solution

The fourth proportional to 153,797,695.26, 212,242,143.02 and 87,721,540.46 is: 121,056,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,797,695.26 : 212,242,143.02 = 87,721,540.46 : x
  2. Step 2: Convert to fraction form
    153,797,695.26/212,242,143.02 = 87,721,540.46/x
  3. Step 3: Cross multiply
    153,797,695.26x = 212,242,143.02 × 87,721,540.46
  4. Step 4: Simplify right side
    153,797,695.26x = 18,618,207,736,246,036
  5. Step 5: Solve for x
    x = 18,618,207,736,246,036/153,797,695.26
  6. Step 6: Final answer
    x = 121,056,480.75

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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.