Home / 216,206,381.55-324,826,951.14-138,635,264.91

Finding the Fourth Proportional to 216,206,381.55, 324,826,951.14 and 138,635,264.91

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Solution

The fourth proportional to 216,206,381.55, 324,826,951.14 and 138,635,264.91 is: 208,284,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206,381.55 : 324,826,951.14 = 138,635,264.91 : x
  2. Step 2: Convert to fraction form
    216,206,381.55/324,826,951.14 = 138,635,264.91/x
  3. Step 3: Cross multiply
    216,206,381.55x = 324,826,951.14 × 138,635,264.91
  4. Step 4: Simplify right side
    216,206,381.55x = 45,032,470,422,419,624
  5. Step 5: Solve for x
    x = 45,032,470,422,419,624/216,206,381.55
  6. Step 6: Final answer
    x = 208,284,649.60

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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.