Home / 221,465,604.60-332,098,874.10-85,105,668.60

Finding the Fourth Proportional to 221,465,604.60, 332,098,874.10 and 85,105,668.60

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Solution

The fourth proportional to 221,465,604.60, 332,098,874.10 and 85,105,668.60 is: 127,620,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,465,604.60 : 332,098,874.10 = 85,105,668.60 : x
  2. Step 2: Convert to fraction form
    221,465,604.60/332,098,874.10 = 85,105,668.60/x
  3. Step 3: Cross multiply
    221,465,604.60x = 332,098,874.10 × 85,105,668.60
  4. Step 4: Simplify right side
    221,465,604.60x = 28,263,496,721,587,724
  5. Step 5: Solve for x
    x = 28,263,496,721,587,724/221,465,604.60
  6. Step 6: Final answer
    x = 127,620,254.05

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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.