Home / 423,722,138.56-635,595,134.24-117,014,252.80

Finding the Fourth Proportional to 423,722,138.56, 635,595,134.24 and 117,014,252.80

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Solution

The fourth proportional to 423,722,138.56, 635,595,134.24 and 117,014,252.80 is: 175,524,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,722,138.56 : 635,595,134.24 = 117,014,252.80 : x
  2. Step 2: Convert to fraction form
    423,722,138.56/635,595,134.24 = 117,014,252.80/x
  3. Step 3: Cross multiply
    423,722,138.56x = 635,595,134.24 × 117,014,252.80
  4. Step 4: Simplify right side
    423,722,138.56x = 74,373,689,716,409,296
  5. Step 5: Solve for x
    x = 74,373,689,716,409,296/423,722,138.56
  6. Step 6: Final answer
    x = 175,524,672.77

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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.