Home / 217,741,372.80-326,612,059.20-216,229,718.40

Finding the Fourth Proportional to 217,741,372.80, 326,612,059.20 and 216,229,718.40

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Solution

The fourth proportional to 217,741,372.80, 326,612,059.20 and 216,229,718.40 is: 324,344,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741,372.80 : 326,612,059.20 = 216,229,718.40 : x
  2. Step 2: Convert to fraction form
    217,741,372.80/326,612,059.20 = 216,229,718.40/x
  3. Step 3: Cross multiply
    217,741,372.80x = 326,612,059.20 × 216,229,718.40
  4. Step 4: Simplify right side
    217,741,372.80x = 70,623,233,586,860,128
  5. Step 5: Solve for x
    x = 70,623,233,586,860,128/217,741,372.80
  6. Step 6: Final answer
    x = 324,344,577.60

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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.