Home / 80,745,344.40-121,146,010.20-35,339,725.20

Finding the Fourth Proportional to 80,745,344.40, 121,146,010.20 and 35,339,725.20

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Solution

The fourth proportional to 80,745,344.40, 121,146,010.20 and 35,339,725.20 is: 53,021,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,745,344.40 : 121,146,010.20 = 35,339,725.20 : x
  2. Step 2: Convert to fraction form
    80,745,344.40/121,146,010.20 = 35,339,725.20/x
  3. Step 3: Cross multiply
    80,745,344.40x = 121,146,010.20 × 35,339,725.20
  4. Step 4: Simplify right side
    80,745,344.40x = 4,281,266,709,544,397.50
  5. Step 5: Solve for x
    x = 4,281,266,709,544,397.50/80,745,344.40
  6. Step 6: Final answer
    x = 53,021,839.73

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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.