Home / 221,337,369.80-332,055,821.10-67,990,502.60

Finding the Fourth Proportional to 221,337,369.80, 332,055,821.10 and 67,990,502.60

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Solution

The fourth proportional to 221,337,369.80, 332,055,821.10 and 67,990,502.60 is: 102,001,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,369.80 : 332,055,821.10 = 67,990,502.60 : x
  2. Step 2: Convert to fraction form
    221,337,369.80/332,055,821.10 = 67,990,502.60/x
  3. Step 3: Cross multiply
    221,337,369.80x = 332,055,821.10 × 67,990,502.60
  4. Step 4: Simplify right side
    221,337,369.80x = 22,576,642,167,844,684
  5. Step 5: Solve for x
    x = 22,576,642,167,844,684/221,337,369.80
  6. Step 6: Final answer
    x = 102,001,041.16

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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.