Home / 158,511,842.20-218,747,926.72-88,895,728.41

Finding the Fourth Proportional to 158,511,842.20, 218,747,926.72 and 88,895,728.41

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Solution

The fourth proportional to 158,511,842.20, 218,747,926.72 and 88,895,728.41 is: 122,676,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,511,842.20 : 218,747,926.72 = 88,895,728.41 : x
  2. Step 2: Convert to fraction form
    158,511,842.20/218,747,926.72 = 88,895,728.41/x
  3. Step 3: Cross multiply
    158,511,842.20x = 218,747,926.72 × 88,895,728.41
  4. Step 4: Simplify right side
    158,511,842.20x = 19,445,756,283,951,700
  5. Step 5: Solve for x
    x = 19,445,756,283,951,700/158,511,842.20
  6. Step 6: Final answer
    x = 122,676,993.81

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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.