Home / 158,511,163.20-218,746,989.77-88,895,049.41

Finding the Fourth Proportional to 158,511,163.20, 218,746,989.77 and 88,895,049.41

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Solution

The fourth proportional to 158,511,163.20, 218,746,989.77 and 88,895,049.41 is: 122,676,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,511,163.20 : 218,746,989.77 = 88,895,049.41 : x
  2. Step 2: Convert to fraction form
    158,511,163.20/218,746,989.77 = 88,895,049.41/x
  3. Step 3: Cross multiply
    158,511,163.20x = 218,746,989.77 × 88,895,049.41
  4. Step 4: Simplify right side
    158,511,163.20x = 19,445,524,463,892,916
  5. Step 5: Solve for x
    x = 19,445,524,463,892,916/158,511,163.20
  6. Step 6: Final answer
    x = 122,676,056.82

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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.