Home / 66,555,829.72-100,288,037.10-54,691,077.26

Finding the Fourth Proportional to 66,555,829.72, 100,288,037.10 and 54,691,077.26

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Solution

The fourth proportional to 66,555,829.72, 100,288,037.10 and 54,691,077.26 is: 82,409,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555,829.72 : 100,288,037.10 = 54,691,077.26 : x
  2. Step 2: Convert to fraction form
    66,555,829.72/100,288,037.10 = 54,691,077.26/x
  3. Step 3: Cross multiply
    66,555,829.72x = 100,288,037.10 × 54,691,077.26
  4. Step 4: Simplify right side
    66,555,829.72x = 5,484,860,785,289,846
  5. Step 5: Solve for x
    x = 5,484,860,785,289,846/66,555,829.72
  6. Step 6: Final answer
    x = 82,409,922.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.