Home / 83,609,856,270.40-125,414,784,405.60-77,224,628,084.80

Finding the Fourth Proportional to 83,609,856,270.40, 125,414,784,405.60 and 77,224,628,084.80

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Solution

The fourth proportional to 83,609,856,270.40, 125,414,784,405.60 and 77,224,628,084.80 is: 115,836,942,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,609,856,270.40 : 125,414,784,405.60 = 77,224,628,084.80 : x
  2. Step 2: Convert to fraction form
    83,609,856,270.40/125,414,784,405.60 = 77,224,628,084.80/x
  3. Step 3: Cross multiply
    83,609,856,270.40x = 125,414,784,405.60 × 77,224,628,084.80
  4. Step 4: Simplify right side
    83,609,856,270.40x = 9,685,110,082,057,835,380,736
  5. Step 5: Solve for x
    x = 9,685,110,082,057,835,380,736/83,609,856,270.40
  6. Step 6: Final answer
    x = 115,836,942,127.20

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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.