Home / 166,212,010.80-249,318,016.20-163,944,529.20

Finding the Fourth Proportional to 166,212,010.80, 249,318,016.20 and 163,944,529.20

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Solution

The fourth proportional to 166,212,010.80, 249,318,016.20 and 163,944,529.20 is: 245,916,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,010.80 : 249,318,016.20 = 163,944,529.20 : x
  2. Step 2: Convert to fraction form
    166,212,010.80/249,318,016.20 = 163,944,529.20/x
  3. Step 3: Cross multiply
    166,212,010.80x = 249,318,016.20 × 163,944,529.20
  4. Step 4: Simplify right side
    166,212,010.80x = 40,874,324,786,986,968
  5. Step 5: Solve for x
    x = 40,874,324,786,986,968/166,212,010.80
  6. Step 6: Final answer
    x = 245,916,793.80

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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.