Home / 160,399,357.28-221,345,185.92-87,058,924.64

Finding the Fourth Proportional to 160,399,357.28, 221,345,185.92 and 87,058,924.64

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Solution

The fourth proportional to 160,399,357.28, 221,345,185.92 and 87,058,924.64 is: 120,138,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399,357.28 : 221,345,185.92 = 87,058,924.64 : x
  2. Step 2: Convert to fraction form
    160,399,357.28/221,345,185.92 = 87,058,924.64/x
  3. Step 3: Cross multiply
    160,399,357.28x = 221,345,185.92 × 87,058,924.64
  4. Step 4: Simplify right side
    160,399,357.28x = 19,270,073,860,436,068
  5. Step 5: Solve for x
    x = 19,270,073,860,436,068/160,399,357.28
  6. Step 6: Final answer
    x = 120,138,098.98

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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.