Home / 217,492,093.30-326,238,139.95-209,131,338.10

Finding the Fourth Proportional to 217,492,093.30, 326,238,139.95 and 209,131,338.10

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Solution

The fourth proportional to 217,492,093.30, 326,238,139.95 and 209,131,338.10 is: 313,697,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,492,093.30 : 326,238,139.95 = 209,131,338.10 : x
  2. Step 2: Convert to fraction form
    217,492,093.30/326,238,139.95 = 209,131,338.10/x
  3. Step 3: Cross multiply
    217,492,093.30x = 326,238,139.95 × 209,131,338.10
  4. Step 4: Simplify right side
    217,492,093.30x = 68,226,618,746,998,560
  5. Step 5: Solve for x
    x = 68,226,618,746,998,560/217,492,093.30
  6. Step 6: Final answer
    x = 313,697,007.15

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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.