Home / 69,012,959.80-103,431,522.30-36,680,351.80

Finding the Fourth Proportional to 69,012,959.80, 103,431,522.30 and 36,680,351.80

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Solution

The fourth proportional to 69,012,959.80, 103,431,522.30 and 36,680,351.80 is: 54,973,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012,959.80 : 103,431,522.30 = 36,680,351.80 : x
  2. Step 2: Convert to fraction form
    69,012,959.80/103,431,522.30 = 36,680,351.80/x
  3. Step 3: Cross multiply
    69,012,959.80x = 103,431,522.30 × 36,680,351.80
  4. Step 4: Simplify right side
    69,012,959.80x = 3,793,904,625,173,544.50
  5. Step 5: Solve for x
    x = 3,793,904,625,173,544.50/69,012,959.80
  6. Step 6: Final answer
    x = 54,973,799.65

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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.