Home / 168,557,233.20-252,852,689.70-45,737,500.20

Finding the Fourth Proportional to 168,557,233.20, 252,852,689.70 and 45,737,500.20

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Solution

The fourth proportional to 168,557,233.20, 252,852,689.70 and 45,737,500.20 is: 68,610,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,557,233.20 : 252,852,689.70 = 45,737,500.20 : x
  2. Step 2: Convert to fraction form
    168,557,233.20/252,852,689.70 = 45,737,500.20/x
  3. Step 3: Cross multiply
    168,557,233.20x = 252,852,689.70 × 45,737,500.20
  4. Step 4: Simplify right side
    168,557,233.20x = 11,564,849,945,724,288
  5. Step 5: Solve for x
    x = 11,564,849,945,724,288/168,557,233.20
  6. Step 6: Final answer
    x = 68,610,819.76

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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.