Home / 274,780,319.88-412,211,289.24-90,513,760.08

Finding the Fourth Proportional to 274,780,319.88, 412,211,289.24 and 90,513,760.08

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Solution

The fourth proportional to 274,780,319.88, 412,211,289.24 and 90,513,760.08 is: 135,784,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,780,319.88 : 412,211,289.24 = 90,513,760.08 : x
  2. Step 2: Convert to fraction form
    274,780,319.88/412,211,289.24 = 90,513,760.08/x
  3. Step 3: Cross multiply
    274,780,319.88x = 412,211,289.24 × 90,513,760.08
  4. Step 4: Simplify right side
    274,780,319.88x = 37,310,793,736,536,848
  5. Step 5: Solve for x
    x = 37,310,793,736,536,848/274,780,319.88
  6. Step 6: Final answer
    x = 135,784,082.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.