Home / 141,782,844.30-212,674,266.45-90,722,517.90

Finding the Fourth Proportional to 141,782,844.30, 212,674,266.45 and 90,722,517.90

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Solution

The fourth proportional to 141,782,844.30, 212,674,266.45 and 90,722,517.90 is: 136,083,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,782,844.30 : 212,674,266.45 = 90,722,517.90 : x
  2. Step 2: Convert to fraction form
    141,782,844.30/212,674,266.45 = 90,722,517.90/x
  3. Step 3: Cross multiply
    141,782,844.30x = 212,674,266.45 × 90,722,517.90
  4. Step 4: Simplify right side
    141,782,844.30x = 19,294,344,944,879,496
  5. Step 5: Solve for x
    x = 19,294,344,944,879,496/141,782,844.30
  6. Step 6: Final answer
    x = 136,083,776.85

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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.