Home / 228,948,226-315,919,875.60-154,770,183.40

Finding the Fourth Proportional to 228,948,226, 315,919,875.60 and 154,770,183.40

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Solution

The fourth proportional to 228,948,226, 315,919,875.60 and 154,770,183.40 is: 213,563,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,948,226 : 315,919,875.60 = 154,770,183.40 : x
  2. Step 2: Convert to fraction form
    228,948,226/315,919,875.60 = 154,770,183.40/x
  3. Step 3: Cross multiply
    228,948,226x = 315,919,875.60 × 154,770,183.40
  4. Step 4: Simplify right side
    228,948,226x = 48,894,977,086,317,192
  5. Step 5: Solve for x
    x = 48,894,977,086,317,192/228,948,226
  6. Step 6: Final answer
    x = 213,563,467.78

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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.