Home / 217,823,519.60-326,735,279.40-216,548,061.20

Finding the Fourth Proportional to 217,823,519.60, 326,735,279.40 and 216,548,061.20

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Solution

The fourth proportional to 217,823,519.60, 326,735,279.40 and 216,548,061.20 is: 324,822,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,823,519.60 : 326,735,279.40 = 216,548,061.20 : x
  2. Step 2: Convert to fraction form
    217,823,519.60/326,735,279.40 = 216,548,061.20/x
  3. Step 3: Cross multiply
    217,823,519.60x = 326,735,279.40 × 216,548,061.20
  4. Step 4: Simplify right side
    217,823,519.60x = 70,753,891,279,710,288
  5. Step 5: Solve for x
    x = 70,753,891,279,710,288/217,823,519.60
  6. Step 6: Final answer
    x = 324,822,091.80

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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.