Home / 118,102,743.20-177,154,114.80-69,530,736.80

Finding the Fourth Proportional to 118,102,743.20, 177,154,114.80 and 69,530,736.80

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Solution

The fourth proportional to 118,102,743.20, 177,154,114.80 and 69,530,736.80 is: 104,296,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,102,743.20 : 177,154,114.80 = 69,530,736.80 : x
  2. Step 2: Convert to fraction form
    118,102,743.20/177,154,114.80 = 69,530,736.80/x
  3. Step 3: Cross multiply
    118,102,743.20x = 177,154,114.80 × 69,530,736.80
  4. Step 4: Simplify right side
    118,102,743.20x = 12,317,656,129,195,784
  5. Step 5: Solve for x
    x = 12,317,656,129,195,784/118,102,743.20
  6. Step 6: Final answer
    x = 104,296,105.20

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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.