Home / 240,512,815.35-361,024,340.22-213,025,173.75

Finding the Fourth Proportional to 240,512,815.35, 361,024,340.22 and 213,025,173.75

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Solution

The fourth proportional to 240,512,815.35, 361,024,340.22 and 213,025,173.75 is: 319,763,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,512,815.35 : 361,024,340.22 = 213,025,173.75 : x
  2. Step 2: Convert to fraction form
    240,512,815.35/361,024,340.22 = 213,025,173.75/x
  3. Step 3: Cross multiply
    240,512,815.35x = 361,024,340.22 × 213,025,173.75
  4. Step 4: Simplify right side
    240,512,815.35x = 76,907,272,803,344,624
  5. Step 5: Solve for x
    x = 76,907,272,803,344,624/240,512,815.35
  6. Step 6: Final answer
    x = 319,763,721.08

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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.