Home / 221,333,812.20-332,000,718.30-106,290,613.80

Finding the Fourth Proportional to 221,333,812.20, 332,000,718.30 and 106,290,613.80

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Solution

The fourth proportional to 221,333,812.20, 332,000,718.30 and 106,290,613.80 is: 159,435,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,333,812.20 : 332,000,718.30 = 106,290,613.80 : x
  2. Step 2: Convert to fraction form
    221,333,812.20/332,000,718.30 = 106,290,613.80/x
  3. Step 3: Cross multiply
    221,333,812.20x = 332,000,718.30 × 106,290,613.80
  4. Step 4: Simplify right side
    221,333,812.20x = 35,288,560,130,147,892
  5. Step 5: Solve for x
    x = 35,288,560,130,147,892/221,333,812.20
  6. Step 6: Final answer
    x = 159,435,920.70

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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.