Home / 202,036,176.70-303,054,265.05-72,648,007.90

Finding the Fourth Proportional to 202,036,176.70, 303,054,265.05 and 72,648,007.90

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Solution

The fourth proportional to 202,036,176.70, 303,054,265.05 and 72,648,007.90 is: 108,972,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,036,176.70 : 303,054,265.05 = 72,648,007.90 : x
  2. Step 2: Convert to fraction form
    202,036,176.70/303,054,265.05 = 72,648,007.90/x
  3. Step 3: Cross multiply
    202,036,176.70x = 303,054,265.05 × 72,648,007.90
  4. Step 4: Simplify right side
    202,036,176.70x = 22,016,288,641,481,096
  5. Step 5: Solve for x
    x = 22,016,288,641,481,096/202,036,176.70
  6. Step 6: Final answer
    x = 108,972,011.85

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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.