Home / 168,188,621.80-252,282,932.70-165,921,140.20

Finding the Fourth Proportional to 168,188,621.80, 252,282,932.70 and 165,921,140.20

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Solution

The fourth proportional to 168,188,621.80, 252,282,932.70 and 165,921,140.20 is: 248,881,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188,621.80 : 252,282,932.70 = 165,921,140.20 : x
  2. Step 2: Convert to fraction form
    168,188,621.80/252,282,932.70 = 165,921,140.20/x
  3. Step 3: Cross multiply
    168,188,621.80x = 252,282,932.70 × 165,921,140.20
  4. Step 4: Simplify right side
    168,188,621.80x = 41,859,071,846,583,856
  5. Step 5: Solve for x
    x = 41,859,071,846,583,856/168,188,621.80
  6. Step 6: Final answer
    x = 248,881,710.30

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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.