Home / 165,957,576.80-248,936,365.20-154,620,168.80

Finding the Fourth Proportional to 165,957,576.80, 248,936,365.20 and 154,620,168.80

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Solution

The fourth proportional to 165,957,576.80, 248,936,365.20 and 154,620,168.80 is: 231,930,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957,576.80 : 248,936,365.20 = 154,620,168.80 : x
  2. Step 2: Convert to fraction form
    165,957,576.80/248,936,365.20 = 154,620,168.80/x
  3. Step 3: Cross multiply
    165,957,576.80x = 248,936,365.20 × 154,620,168.80
  4. Step 4: Simplify right side
    165,957,576.80x = 38,490,582,807,682,448
  5. Step 5: Solve for x
    x = 38,490,582,807,682,448/165,957,576.80
  6. Step 6: Final answer
    x = 231,930,253.20

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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.