Home / 221,337,401.80-332,055,869.10-67,990,534.60

Finding the Fourth Proportional to 221,337,401.80, 332,055,869.10 and 67,990,534.60

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Solution

The fourth proportional to 221,337,401.80, 332,055,869.10 and 67,990,534.60 is: 102,001,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,401.80 : 332,055,869.10 = 67,990,534.60 : x
  2. Step 2: Convert to fraction form
    221,337,401.80/332,055,869.10 = 67,990,534.60/x
  3. Step 3: Cross multiply
    221,337,401.80x = 332,055,869.10 × 67,990,534.60
  4. Step 4: Simplify right side
    221,337,401.80x = 22,576,656,057,176,620
  5. Step 5: Solve for x
    x = 22,576,656,057,176,620/221,337,401.80
  6. Step 6: Final answer
    x = 102,001,089.17

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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.