Home / 159,846,868.03-220,588,589.22-90,232,850.11

Finding the Fourth Proportional to 159,846,868.03, 220,588,589.22 and 90,232,850.11

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Solution

The fourth proportional to 159,846,868.03, 220,588,589.22 and 90,232,850.11 is: 124,521,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,846,868.03 : 220,588,589.22 = 90,232,850.11 : x
  2. Step 2: Convert to fraction form
    159,846,868.03/220,588,589.22 = 90,232,850.11/x
  3. Step 3: Cross multiply
    159,846,868.03x = 220,588,589.22 × 90,232,850.11
  4. Step 4: Simplify right side
    159,846,868.03x = 19,904,337,107,064,620
  5. Step 5: Solve for x
    x = 19,904,337,107,064,620/159,846,868.03
  6. Step 6: Final answer
    x = 124,521,283.10

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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.