Home / 212,925,631.20-319,500,974.17-151,076,654.23

Finding the Fourth Proportional to 212,925,631.20, 319,500,974.17 and 151,076,654.23

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Solution

The fourth proportional to 212,925,631.20, 319,500,974.17 and 151,076,654.23 is: 226,694,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,925,631.20 : 319,500,974.17 = 151,076,654.23 : x
  2. Step 2: Convert to fraction form
    212,925,631.20/319,500,974.17 = 151,076,654.23/x
  3. Step 3: Cross multiply
    212,925,631.20x = 319,500,974.17 × 151,076,654.23
  4. Step 4: Simplify right side
    212,925,631.20x = 48,269,138,200,820,008
  5. Step 5: Solve for x
    x = 48,269,138,200,820,008/212,925,631.20
  6. Step 6: Final answer
    x = 226,694,822.65

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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.