Home / 278,324,047.68-417,301,794.72-132,780,072.48

Finding the Fourth Proportional to 278,324,047.68, 417,301,794.72 and 132,780,072.48

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Solution

The fourth proportional to 278,324,047.68, 417,301,794.72 and 132,780,072.48 is: 199,082,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,324,047.68 : 417,301,794.72 = 132,780,072.48 : x
  2. Step 2: Convert to fraction form
    278,324,047.68/417,301,794.72 = 132,780,072.48/x
  3. Step 3: Cross multiply
    278,324,047.68x = 417,301,794.72 × 132,780,072.48
  4. Step 4: Simplify right side
    278,324,047.68x = 55,409,362,548,955,688
  5. Step 5: Solve for x
    x = 55,409,362,548,955,688/278,324,047.68
  6. Step 6: Final answer
    x = 199,082,195.77

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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.