Home / 228,948,232-315,919,883.88-154,770,189.44

Finding the Fourth Proportional to 228,948,232, 315,919,883.88 and 154,770,189.44

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Solution

The fourth proportional to 228,948,232, 315,919,883.88 and 154,770,189.44 is: 213,563,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,948,232 : 315,919,883.88 = 154,770,189.44 : x
  2. Step 2: Convert to fraction form
    228,948,232/315,919,883.88 = 154,770,189.44/x
  3. Step 3: Cross multiply
    228,948,232x = 315,919,883.88 × 154,770,189.44
  4. Step 4: Simplify right side
    228,948,232x = 48,894,980,275,970,400
  5. Step 5: Solve for x
    x = 48,894,980,275,970,400/228,948,232
  6. Step 6: Final answer
    x = 213,563,476.11

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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.