Home / 166,152,936.30-249,229,404.45-120,236,433.90

Finding the Fourth Proportional to 166,152,936.30, 249,229,404.45 and 120,236,433.90

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Solution

The fourth proportional to 166,152,936.30, 249,229,404.45 and 120,236,433.90 is: 180,354,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,152,936.30 : 249,229,404.45 = 120,236,433.90 : x
  2. Step 2: Convert to fraction form
    166,152,936.30/249,229,404.45 = 120,236,433.90/x
  3. Step 3: Cross multiply
    166,152,936.30x = 249,229,404.45 × 120,236,433.90
  4. Step 4: Simplify right side
    166,152,936.30x = 29,966,454,814,088,792
  5. Step 5: Solve for x
    x = 29,966,454,814,088,792/166,152,936.30
  6. Step 6: Final answer
    x = 180,354,650.85

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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.