Home / 66,703,561.80-100,055,342.70-43,819,121.85

Finding the Fourth Proportional to 66,703,561.80, 100,055,342.70 and 43,819,121.85

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Solution

The fourth proportional to 66,703,561.80, 100,055,342.70 and 43,819,121.85 is: 65,728,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703,561.80 : 100,055,342.70 = 43,819,121.85 : x
  2. Step 2: Convert to fraction form
    66,703,561.80/100,055,342.70 = 43,819,121.85/x
  3. Step 3: Cross multiply
    66,703,561.80x = 100,055,342.70 × 43,819,121.85
  4. Step 4: Simplify right side
    66,703,561.80x = 4,384,337,253,514,808.50
  5. Step 5: Solve for x
    x = 4,384,337,253,514,808.50/66,703,561.80
  6. Step 6: Final answer
    x = 65,728,682.78

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Double scale
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Similar ratio
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1.5x scale

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.