Home / 74,682,672.24-111,960,110.58-28,657,568.88

Finding the Fourth Proportional to 74,682,672.24, 111,960,110.58 and 28,657,568.88

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Solution

The fourth proportional to 74,682,672.24, 111,960,110.58 and 28,657,568.88 is: 42,961,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,672.24 : 111,960,110.58 = 28,657,568.88 : x
  2. Step 2: Convert to fraction form
    74,682,672.24/111,960,110.58 = 28,657,568.88/x
  3. Step 3: Cross multiply
    74,682,672.24x = 111,960,110.58 × 28,657,568.88
  4. Step 4: Simplify right side
    74,682,672.24x = 3,208,504,580,758,766.50
  5. Step 5: Solve for x
    x = 3,208,504,580,758,766.50/74,682,672.24
  6. Step 6: Final answer
    x = 42,961,834.18

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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.