Home / 98,928,688.80-148,393,033.20-84,260,917.20

Finding the Fourth Proportional to 98,928,688.80, 148,393,033.20 and 84,260,917.20

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Solution

The fourth proportional to 98,928,688.80, 148,393,033.20 and 84,260,917.20 is: 126,391,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928,688.80 : 148,393,033.20 = 84,260,917.20 : x
  2. Step 2: Convert to fraction form
    98,928,688.80/148,393,033.20 = 84,260,917.20/x
  3. Step 3: Cross multiply
    98,928,688.80x = 148,393,033.20 × 84,260,917.20
  4. Step 4: Simplify right side
    98,928,688.80x = 12,503,733,083,522,050
  5. Step 5: Solve for x
    x = 12,503,733,083,522,050/98,928,688.80
  6. Step 6: Final answer
    x = 126,391,375.80

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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.