Home / 217,963,465.70-326,575,222.95-131,520,233.30

Finding the Fourth Proportional to 217,963,465.70, 326,575,222.95 and 131,520,233.30

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Solution

The fourth proportional to 217,963,465.70, 326,575,222.95 and 131,520,233.30 is: 197,057,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,963,465.70 : 326,575,222.95 = 131,520,233.30 : x
  2. Step 2: Convert to fraction form
    217,963,465.70/326,575,222.95 = 131,520,233.30/x
  3. Step 3: Cross multiply
    217,963,465.70x = 326,575,222.95 × 131,520,233.30
  4. Step 4: Simplify right side
    217,963,465.70x = 42,951,249,512,383,512
  5. Step 5: Solve for x
    x = 42,951,249,512,383,512/217,963,465.70
  6. Step 6: Final answer
    x = 197,057,104.84

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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.