Home / 274,217,322.90-378,420,624.21-148,769,512.32

Finding the Fourth Proportional to 274,217,322.90, 378,420,624.21 and 148,769,512.32

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Solution

The fourth proportional to 274,217,322.90, 378,420,624.21 and 148,769,512.32 is: 205,302,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,217,322.90 : 378,420,624.21 = 148,769,512.32 : x
  2. Step 2: Convert to fraction form
    274,217,322.90/378,420,624.21 = 148,769,512.32/x
  3. Step 3: Cross multiply
    274,217,322.90x = 378,420,624.21 × 148,769,512.32
  4. Step 4: Simplify right side
    274,217,322.90x = 56,297,451,715,551,680
  5. Step 5: Solve for x
    x = 56,297,451,715,551,680/274,217,322.90
  6. Step 6: Final answer
    x = 205,302,316.86

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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.