Home / 108,364,504.20-149,543,118.18-61,955,729.97

Finding the Fourth Proportional to 108,364,504.20, 149,543,118.18 and 61,955,729.97

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Solution

The fourth proportional to 108,364,504.20, 149,543,118.18 and 61,955,729.97 is: 85,498,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,364,504.20 : 149,543,118.18 = 61,955,729.97 : x
  2. Step 2: Convert to fraction form
    108,364,504.20/149,543,118.18 = 61,955,729.97/x
  3. Step 3: Cross multiply
    108,364,504.20x = 149,543,118.18 × 61,955,729.97
  4. Step 4: Simplify right side
    108,364,504.20x = 9,265,053,048,831,878
  5. Step 5: Solve for x
    x = 9,265,053,048,831,878/108,364,504.20
  6. Step 6: Final answer
    x = 85,498,965.90

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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.