Home / 85,107,489.60-127,679,169.60-27,595,276.80

Finding the Fourth Proportional to 85,107,489.60, 127,679,169.60 and 27,595,276.80

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Solution

The fourth proportional to 85,107,489.60, 127,679,169.60 and 27,595,276.80 is: 41,398,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,107,489.60 : 127,679,169.60 = 27,595,276.80 : x
  2. Step 2: Convert to fraction form
    85,107,489.60/127,679,169.60 = 27,595,276.80/x
  3. Step 3: Cross multiply
    85,107,489.60x = 127,679,169.60 × 27,595,276.80
  4. Step 4: Simplify right side
    85,107,489.60x = 3,523,342,026,706,145
  5. Step 5: Solve for x
    x = 3,523,342,026,706,145/85,107,489.60
  6. Step 6: Final answer
    x = 41,398,730.51

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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.