Home / 98,943,138,911.70-148,414,708,367.55-51,761,381,778.90

Finding the Fourth Proportional to 98,943,138,911.70, 148,414,708,367.55 and 51,761,381,778.90

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Solution

The fourth proportional to 98,943,138,911.70, 148,414,708,367.55 and 51,761,381,778.90 is: 77,642,072,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943,138,911.70 : 148,414,708,367.55 = 51,761,381,778.90 : x
  2. Step 2: Convert to fraction form
    98,943,138,911.70/148,414,708,367.55 = 51,761,381,778.90/x
  3. Step 3: Cross multiply
    98,943,138,911.70x = 148,414,708,367.55 × 51,761,381,778.90
  4. Step 4: Simplify right side
    98,943,138,911.70x = 7,682,150,381,416,859,303,936
  5. Step 5: Solve for x
    x = 7,682,150,381,416,859,303,936/98,943,138,911.70
  6. Step 6: Final answer
    x = 77,642,072,668.35

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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.