Home / 217,741,385.80-326,612,078.70-216,229,731.40

Finding the Fourth Proportional to 217,741,385.80, 326,612,078.70 and 216,229,731.40

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Solution

The fourth proportional to 217,741,385.80, 326,612,078.70 and 216,229,731.40 is: 324,344,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741,385.80 : 326,612,078.70 = 216,229,731.40 : x
  2. Step 2: Convert to fraction form
    217,741,385.80/326,612,078.70 = 216,229,731.40/x
  3. Step 3: Cross multiply
    217,741,385.80x = 326,612,078.70 × 216,229,731.40
  4. Step 4: Simplify right side
    217,741,385.80x = 70,623,242,049,296,664
  5. Step 5: Solve for x
    x = 70,623,242,049,296,664/217,741,385.80
  6. Step 6: Final answer
    x = 324,344,597.10

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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.