Home / 66,555,826.72-100,288,032.57-54,691,074.25

Finding the Fourth Proportional to 66,555,826.72, 100,288,032.57 and 54,691,074.25

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Solution

The fourth proportional to 66,555,826.72, 100,288,032.57 and 54,691,074.25 is: 82,409,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,555,826.72 : 100,288,032.57 = 54,691,074.25 : x
  2. Step 2: Convert to fraction form
    66,555,826.72/100,288,032.57 = 54,691,074.25/x
  3. Step 3: Cross multiply
    66,555,826.72x = 100,288,032.57 × 54,691,074.25
  4. Step 4: Simplify right side
    66,555,826.72x = 5,484,860,235,421,568
  5. Step 5: Solve for x
    x = 5,484,860,235,421,568/66,555,826.72
  6. Step 6: Final answer
    x = 82,409,918.20

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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.