Home / 177,148,880.80-265,723,321.20-81,410,768.80

Finding the Fourth Proportional to 177,148,880.80, 265,723,321.20 and 81,410,768.80

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Solution

The fourth proportional to 177,148,880.80, 265,723,321.20 and 81,410,768.80 is: 122,116,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,148,880.80 : 265,723,321.20 = 81,410,768.80 : x
  2. Step 2: Convert to fraction form
    177,148,880.80/265,723,321.20 = 81,410,768.80/x
  3. Step 3: Cross multiply
    177,148,880.80x = 265,723,321.20 × 81,410,768.80
  4. Step 4: Simplify right side
    177,148,880.80x = 21,632,739,866,981,336
  5. Step 5: Solve for x
    x = 21,632,739,866,981,336/177,148,880.80
  6. Step 6: Final answer
    x = 122,116,153.20

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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.