Home / 112,100,852.80-168,151,279.20-79,098,366.70

Finding the Fourth Proportional to 112,100,852.80, 168,151,279.20 and 79,098,366.70

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Solution

The fourth proportional to 112,100,852.80, 168,151,279.20 and 79,098,366.70 is: 118,647,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,852.80 : 168,151,279.20 = 79,098,366.70 : x
  2. Step 2: Convert to fraction form
    112,100,852.80/168,151,279.20 = 79,098,366.70/x
  3. Step 3: Cross multiply
    112,100,852.80x = 168,151,279.20 × 79,098,366.70
  4. Step 4: Simplify right side
    112,100,852.80x = 13,300,491,543,235,682
  5. Step 5: Solve for x
    x = 13,300,491,543,235,682/112,100,852.80
  6. Step 6: Final answer
    x = 118,647,550.05

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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.