Home / 106,511,589.20-159,767,383.80-87,363,966.80

Finding the Fourth Proportional to 106,511,589.20, 159,767,383.80 and 87,363,966.80

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Solution

The fourth proportional to 106,511,589.20, 159,767,383.80 and 87,363,966.80 is: 131,045,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,511,589.20 : 159,767,383.80 = 87,363,966.80 : x
  2. Step 2: Convert to fraction form
    106,511,589.20/159,767,383.80 = 87,363,966.80/x
  3. Step 3: Cross multiply
    106,511,589.20x = 159,767,383.80 × 87,363,966.80
  4. Step 4: Simplify right side
    106,511,589.20x = 13,957,912,414,026,058
  5. Step 5: Solve for x
    x = 13,957,912,414,026,058/106,511,589.20
  6. Step 6: Final answer
    x = 131,045,950.20

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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.