Home / 166,212,004.20-249,318,006.30-75,512,740.20

Finding the Fourth Proportional to 166,212,004.20, 249,318,006.30 and 75,512,740.20

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Solution

The fourth proportional to 166,212,004.20, 249,318,006.30 and 75,512,740.20 is: 113,269,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,004.20 : 249,318,006.30 = 75,512,740.20 : x
  2. Step 2: Convert to fraction form
    166,212,004.20/249,318,006.30 = 75,512,740.20/x
  3. Step 3: Cross multiply
    166,212,004.20x = 249,318,006.30 × 75,512,740.20
  4. Step 4: Simplify right side
    166,212,004.20x = 18,826,685,836,913,864
  5. Step 5: Solve for x
    x = 18,826,685,836,913,864/166,212,004.20
  6. Step 6: Final answer
    x = 113,269,110.30

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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.