Home / 172,930,528.97-238,620,561.55-103,301,129.15

Finding the Fourth Proportional to 172,930,528.97, 238,620,561.55 and 103,301,129.15

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Solution

The fourth proportional to 172,930,528.97, 238,620,561.55 and 103,301,129.15 is: 142,541,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,930,528.97 : 238,620,561.55 = 103,301,129.15 : x
  2. Step 2: Convert to fraction form
    172,930,528.97/238,620,561.55 = 103,301,129.15/x
  3. Step 3: Cross multiply
    172,930,528.97x = 238,620,561.55 × 103,301,129.15
  4. Step 4: Simplify right side
    172,930,528.97x = 24,649,773,445,070,720
  5. Step 5: Solve for x
    x = 24,649,773,445,070,720/172,930,528.97
  6. Step 6: Final answer
    x = 142,541,479.48

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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.