Home / 217,492,092.30-326,238,138.45-209,131,337.10

Finding the Fourth Proportional to 217,492,092.30, 326,238,138.45 and 209,131,337.10

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Solution

The fourth proportional to 217,492,092.30, 326,238,138.45 and 209,131,337.10 is: 313,697,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,492,092.30 : 326,238,138.45 = 209,131,337.10 : x
  2. Step 2: Convert to fraction form
    217,492,092.30/326,238,138.45 = 209,131,337.10/x
  3. Step 3: Cross multiply
    217,492,092.30x = 326,238,138.45 × 209,131,337.10
  4. Step 4: Simplify right side
    217,492,092.30x = 68,226,618,107,063,416
  5. Step 5: Solve for x
    x = 68,226,618,107,063,416/217,492,092.30
  6. Step 6: Final answer
    x = 313,697,005.65

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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.