Home / 137,851,531.20-190,235,113.92-75,971,870.64

Finding the Fourth Proportional to 137,851,531.20, 190,235,113.92 and 75,971,870.64

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Solution

The fourth proportional to 137,851,531.20, 190,235,113.92 and 75,971,870.64 is: 104,841,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,851,531.20 : 190,235,113.92 = 75,971,870.64 : x
  2. Step 2: Convert to fraction form
    137,851,531.20/190,235,113.92 = 75,971,870.64/x
  3. Step 3: Cross multiply
    137,851,531.20x = 190,235,113.92 × 75,971,870.64
  4. Step 4: Simplify right side
    137,851,531.20x = 14,452,517,465,915,902
  5. Step 5: Solve for x
    x = 14,452,517,465,915,902/137,851,531.20
  6. Step 6: Final answer
    x = 104,841,181.96

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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.