Home / 141,336,640.20-211,743,686.70-80,571,865.80

Finding the Fourth Proportional to 141,336,640.20, 211,743,686.70 and 80,571,865.80

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Solution

The fourth proportional to 141,336,640.20, 211,743,686.70 and 80,571,865.80 is: 120,708,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,336,640.20 : 211,743,686.70 = 80,571,865.80 : x
  2. Step 2: Convert to fraction form
    141,336,640.20/211,743,686.70 = 80,571,865.80/x
  3. Step 3: Cross multiply
    141,336,640.20x = 211,743,686.70 × 80,571,865.80
  4. Step 4: Simplify right side
    141,336,640.20x = 17,060,583,908,789,644
  5. Step 5: Solve for x
    x = 17,060,583,908,789,644/141,336,640.20
  6. Step 6: Final answer
    x = 120,708,854.30

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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.