Home / 177,147,321.20-265,720,981.80-131,230,818.80

Finding the Fourth Proportional to 177,147,321.20, 265,720,981.80 and 131,230,818.80

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Solution

The fourth proportional to 177,147,321.20, 265,720,981.80 and 131,230,818.80 is: 196,846,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,321.20 : 265,720,981.80 = 131,230,818.80 : x
  2. Step 2: Convert to fraction form
    177,147,321.20/265,720,981.80 = 131,230,818.80/x
  3. Step 3: Cross multiply
    177,147,321.20x = 265,720,981.80 × 131,230,818.80
  4. Step 4: Simplify right side
    177,147,321.20x = 34,870,782,013,953,900
  5. Step 5: Solve for x
    x = 34,870,782,013,953,900/177,147,321.20
  6. Step 6: Final answer
    x = 196,846,228.20

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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.