Home / 314,929,243.20-472,015,951.20-161,496,321.60

Finding the Fourth Proportional to 314,929,243.20, 472,015,951.20 and 161,496,321.60

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Solution

The fourth proportional to 314,929,243.20, 472,015,951.20 and 161,496,321.60 is: 242,050,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,243.20 : 472,015,951.20 = 161,496,321.60 : x
  2. Step 2: Convert to fraction form
    314,929,243.20/472,015,951.20 = 161,496,321.60/x
  3. Step 3: Cross multiply
    314,929,243.20x = 472,015,951.20 × 161,496,321.60
  4. Step 4: Simplify right side
    314,929,243.20x = 76,228,839,855,325,104
  5. Step 5: Solve for x
    x = 76,228,839,855,325,104/314,929,243.20
  6. Step 6: Final answer
    x = 242,050,687.58

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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.