Home / 268,889,328.60-403,333,992.90-132,840,432.60

Finding the Fourth Proportional to 268,889,328.60, 403,333,992.90 and 132,840,432.60

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Solution

The fourth proportional to 268,889,328.60, 403,333,992.90 and 132,840,432.60 is: 199,260,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889,328.60 : 403,333,992.90 = 132,840,432.60 : x
  2. Step 2: Convert to fraction form
    268,889,328.60/403,333,992.90 = 132,840,432.60/x
  3. Step 3: Cross multiply
    268,889,328.60x = 403,333,992.90 × 132,840,432.60
  4. Step 4: Simplify right side
    268,889,328.60x = 53,579,062,099,121,320
  5. Step 5: Solve for x
    x = 53,579,062,099,121,320/268,889,328.60
  6. Step 6: Final answer
    x = 199,260,648.90

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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.