Home / 98,943,138,967.20-148,414,708,450.80-51,761,381,834.40

Finding the Fourth Proportional to 98,943,138,967.20, 148,414,708,450.80 and 51,761,381,834.40

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Solution

The fourth proportional to 98,943,138,967.20, 148,414,708,450.80 and 51,761,381,834.40 is: 77,642,072,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,943,138,967.20 : 148,414,708,450.80 = 51,761,381,834.40 : x
  2. Step 2: Convert to fraction form
    98,943,138,967.20/148,414,708,450.80 = 51,761,381,834.40/x
  3. Step 3: Cross multiply
    98,943,138,967.20x = 148,414,708,450.80 × 51,761,381,834.40
  4. Step 4: Simplify right side
    98,943,138,967.20x = 7,682,150,393,963,011,375,104
  5. Step 5: Solve for x
    x = 7,682,150,393,963,011,375,104/98,943,138,967.20
  6. Step 6: Final answer
    x = 77,642,072,751.60

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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.