Home / 276,540,513.48-381,621,454.38-151,090,014.78

Finding the Fourth Proportional to 276,540,513.48, 381,621,454.38 and 151,090,014.78

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Solution

The fourth proportional to 276,540,513.48, 381,621,454.38 and 151,090,014.78 is: 208,501,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,540,513.48 : 381,621,454.38 = 151,090,014.78 : x
  2. Step 2: Convert to fraction form
    276,540,513.48/381,621,454.38 = 151,090,014.78/x
  3. Step 3: Cross multiply
    276,540,513.48x = 381,621,454.38 × 151,090,014.78
  4. Step 4: Simplify right side
    276,540,513.48x = 57,659,191,182,639,296
  5. Step 5: Solve for x
    x = 57,659,191,182,639,296/276,540,513.48
  6. Step 6: Final answer
    x = 208,501,786.80

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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.