Home / 98,943,138,519.20-148,414,707,778.82-51,761,381,386.40

Finding the Fourth Proportional to 98,943,138,519.20, 148,414,707,778.82 and 51,761,381,386.40

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Solution

The fourth proportional to 98,943,138,519.20, 148,414,707,778.82 and 51,761,381,386.40 is: 77,642,072,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943,138,519.20 : 148,414,707,778.82 = 51,761,381,386.40 : x
  2. Step 2: Convert to fraction form
    98,943,138,519.20/148,414,707,778.82 = 51,761,381,386.40/x
  3. Step 3: Cross multiply
    98,943,138,519.20x = 148,414,707,778.82 × 51,761,381,386.40
  4. Step 4: Simplify right side
    98,943,138,519.20x = 7,682,150,292,690,609,111,040
  5. Step 5: Solve for x
    x = 7,682,150,292,690,609,111,040/98,943,138,519.20
  6. Step 6: Final answer
    x = 77,642,072,079.61

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Double scale
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Similar ratio
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1.5x scale

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.