Home / 274,217,325.85-378,420,628.30-148,769,515.28

Finding the Fourth Proportional to 274,217,325.85, 378,420,628.30 and 148,769,515.28

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Solution

The fourth proportional to 274,217,325.85, 378,420,628.30 and 148,769,515.28 is: 205,302,320.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,217,325.85 : 378,420,628.30 = 148,769,515.28 : x
  2. Step 2: Convert to fraction form
    274,217,325.85/378,420,628.30 = 148,769,515.28/x
  3. Step 3: Cross multiply
    274,217,325.85x = 378,420,628.30 × 148,769,515.28
  4. Step 4: Simplify right side
    274,217,325.85x = 56,297,453,444,718,176
  5. Step 5: Solve for x
    x = 56,297,453,444,718,176/274,217,325.85
  6. Step 6: Final answer
    x = 205,302,320.96

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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.