Home / 228,948,225-315,919,874.22-154,770,182.40

Finding the Fourth Proportional to 228,948,225, 315,919,874.22 and 154,770,182.40

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Solution

The fourth proportional to 228,948,225, 315,919,874.22 and 154,770,182.40 is: 213,563,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,948,225 : 315,919,874.22 = 154,770,182.40 : x
  2. Step 2: Convert to fraction form
    228,948,225/315,919,874.22 = 154,770,182.40/x
  3. Step 3: Cross multiply
    228,948,225x = 315,919,874.22 × 154,770,182.40
  4. Step 4: Simplify right side
    228,948,225x = 48,894,976,556,814,464
  5. Step 5: Solve for x
    x = 48,894,976,556,814,464/228,948,225
  6. Step 6: Final answer
    x = 213,563,466.40

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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.