Home / 224,002,909.09-309,025,948.59-213,617,467.20

Finding the Fourth Proportional to 224,002,909.09, 309,025,948.59 and 213,617,467.20

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Solution

The fourth proportional to 224,002,909.09, 309,025,948.59 and 213,617,467.20 is: 294,698,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,002,909.09 : 309,025,948.59 = 213,617,467.20 : x
  2. Step 2: Convert to fraction form
    224,002,909.09/309,025,948.59 = 213,617,467.20/x
  3. Step 3: Cross multiply
    224,002,909.09x = 309,025,948.59 × 213,617,467.20
  4. Step 4: Simplify right side
    224,002,909.09x = 66,013,340,436,873,200
  5. Step 5: Solve for x
    x = 66,013,340,436,873,200/224,002,909.09
  6. Step 6: Final answer
    x = 294,698,585.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.