Home / 240,768,679.20-361,153,018.80-206,131,264.80

Finding the Fourth Proportional to 240,768,679.20, 361,153,018.80 and 206,131,264.80

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Solution

The fourth proportional to 240,768,679.20, 361,153,018.80 and 206,131,264.80 is: 309,196,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,768,679.20 : 361,153,018.80 = 206,131,264.80 : x
  2. Step 2: Convert to fraction form
    240,768,679.20/361,153,018.80 = 206,131,264.80/x
  3. Step 3: Cross multiply
    240,768,679.20x = 361,153,018.80 × 206,131,264.80
  4. Step 4: Simplify right side
    240,768,679.20x = 74,444,928,551,582,192
  5. Step 5: Solve for x
    x = 74,444,928,551,582,192/240,768,679.20
  6. Step 6: Final answer
    x = 309,196,897.20

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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.