Home / 318,162,468.24-439,012,888.92-178,924,926.24

Finding the Fourth Proportional to 318,162,468.24, 439,012,888.92 and 178,924,926.24

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Solution

The fourth proportional to 318,162,468.24, 439,012,888.92 and 178,924,926.24 is: 246,887,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,162,468.24 : 439,012,888.92 = 178,924,926.24 : x
  2. Step 2: Convert to fraction form
    318,162,468.24/439,012,888.92 = 178,924,926.24/x
  3. Step 3: Cross multiply
    318,162,468.24x = 439,012,888.92 × 178,924,926.24
  4. Step 4: Simplify right side
    318,162,468.24x = 78,550,348,768,420,320
  5. Step 5: Solve for x
    x = 78,550,348,768,420,320/318,162,468.24
  6. Step 6: Final answer
    x = 246,887,538.94

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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.