Home / 83,609,856,295.40-125,414,784,443.10-77,224,628,109.80

Finding the Fourth Proportional to 83,609,856,295.40, 125,414,784,443.10 and 77,224,628,109.80

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Solution

The fourth proportional to 83,609,856,295.40, 125,414,784,443.10 and 77,224,628,109.80 is: 115,836,942,164.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,609,856,295.40 : 125,414,784,443.10 = 77,224,628,109.80 : x
  2. Step 2: Convert to fraction form
    83,609,856,295.40/125,414,784,443.10 = 77,224,628,109.80/x
  3. Step 3: Cross multiply
    83,609,856,295.40x = 125,414,784,443.10 × 77,224,628,109.80
  4. Step 4: Simplify right side
    83,609,856,295.40x = 9,685,110,088,089,129,189,376
  5. Step 5: Solve for x
    x = 9,685,110,088,089,129,189,376/83,609,856,295.40
  6. Step 6: Final answer
    x = 115,836,942,164.70

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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.