Home / 79,268,385.43-118,874,041.44-27,438,905.71

Finding the Fourth Proportional to 79,268,385.43, 118,874,041.44 and 27,438,905.71

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Solution

The fourth proportional to 79,268,385.43, 118,874,041.44 and 27,438,905.71 is: 41,148,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,268,385.43 : 118,874,041.44 = 27,438,905.71 : x
  2. Step 2: Convert to fraction form
    79,268,385.43/118,874,041.44 = 27,438,905.71/x
  3. Step 3: Cross multiply
    79,268,385.43x = 118,874,041.44 × 27,438,905.71
  4. Step 4: Simplify right side
    79,268,385.43x = 3,261,773,614,438,792.50
  5. Step 5: Solve for x
    x = 3,261,773,614,438,792.50/79,268,385.43
  6. Step 6: Final answer
    x = 41,148,480.53

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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.