Home / 160,399,358.78-221,345,187.98-87,058,926.14

Finding the Fourth Proportional to 160,399,358.78, 221,345,187.98 and 87,058,926.14

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Solution

The fourth proportional to 160,399,358.78, 221,345,187.98 and 87,058,926.14 is: 120,138,101.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399,358.78 : 221,345,187.98 = 87,058,926.14 : x
  2. Step 2: Convert to fraction form
    160,399,358.78/221,345,187.98 = 87,058,926.14/x
  3. Step 3: Cross multiply
    160,399,358.78x = 221,345,187.98 × 87,058,926.14
  4. Step 4: Simplify right side
    160,399,358.78x = 19,270,074,371,795,236
  5. Step 5: Solve for x
    x = 19,270,074,371,795,236/160,399,358.78
  6. Step 6: Final answer
    x = 120,138,101.04

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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.