Home / 80,681,010.30-121,021,515.45-20,096,736.30

Finding the Fourth Proportional to 80,681,010.30, 121,021,515.45 and 20,096,736.30

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Solution

The fourth proportional to 80,681,010.30, 121,021,515.45 and 20,096,736.30 is: 30,145,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,681,010.30 : 121,021,515.45 = 20,096,736.30 : x
  2. Step 2: Convert to fraction form
    80,681,010.30/121,021,515.45 = 20,096,736.30/x
  3. Step 3: Cross multiply
    80,681,010.30x = 121,021,515.45 × 20,096,736.30
  4. Step 4: Simplify right side
    80,681,010.30x = 2,432,137,482,625,026
  5. Step 5: Solve for x
    x = 2,432,137,482,625,026/80,681,010.30
  6. Step 6: Final answer
    x = 30,145,104.45

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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.