Home / 94,531,620.80-141,853,418.40-68,908,145.60

Finding the Fourth Proportional to 94,531,620.80, 141,853,418.40 and 68,908,145.60

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Solution

The fourth proportional to 94,531,620.80, 141,853,418.40 and 68,908,145.60 is: 103,403,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,531,620.80 : 141,853,418.40 = 68,908,145.60 : x
  2. Step 2: Convert to fraction form
    94,531,620.80/141,853,418.40 = 68,908,145.60/x
  3. Step 3: Cross multiply
    94,531,620.80x = 141,853,418.40 × 68,908,145.60
  4. Step 4: Simplify right side
    94,531,620.80x = 9,774,856,008,964,918
  5. Step 5: Solve for x
    x = 9,774,856,008,964,918/94,531,620.80
  6. Step 6: Final answer
    x = 103,403,029.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.