Home / 281,182,257.60-422,025,328.80-242,887,012.80

Finding the Fourth Proportional to 281,182,257.60, 422,025,328.80 and 242,887,012.80

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Solution

The fourth proportional to 281,182,257.60, 422,025,328.80 and 242,887,012.80 is: 364,548,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,182,257.60 : 422,025,328.80 = 242,887,012.80 : x
  2. Step 2: Convert to fraction form
    281,182,257.60/422,025,328.80 = 242,887,012.80/x
  3. Step 3: Cross multiply
    281,182,257.60x = 422,025,328.80 × 242,887,012.80
  4. Step 4: Simplify right side
    281,182,257.60x = 102,504,471,438,169,824
  5. Step 5: Solve for x
    x = 102,504,471,438,169,824/281,182,257.60
  6. Step 6: Final answer
    x = 364,548,148.64

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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.