Home / 20,110,366,865.15-30,165,550,297.73-17,902,070,077.85

Finding the Fourth Proportional to 20,110,366,865.15, 30,165,550,297.73 and 17,902,070,077.85

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Solution

The fourth proportional to 20,110,366,865.15, 30,165,550,297.73 and 17,902,070,077.85 is: 26,853,105,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,366,865.15 : 30,165,550,297.73 = 17,902,070,077.85 : x
  2. Step 2: Convert to fraction form
    20,110,366,865.15/30,165,550,297.73 = 17,902,070,077.85/x
  3. Step 3: Cross multiply
    20,110,366,865.15x = 30,165,550,297.73 × 17,902,070,077.85
  4. Step 4: Simplify right side
    20,110,366,865.15x = 540,025,795,366,871,367,680
  5. Step 5: Solve for x
    x = 540,025,795,366,871,367,680/20,110,366,865.15
  6. Step 6: Final answer
    x = 26,853,105,116.78

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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.