Home / 255,889,499.70-383,078,422.35-169,725,198.90

Finding the Fourth Proportional to 255,889,499.70, 383,078,422.35 and 169,725,198.90

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Solution

The fourth proportional to 255,889,499.70, 383,078,422.35 and 169,725,198.90 is: 254,086,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,889,499.70 : 383,078,422.35 = 169,725,198.90 : x
  2. Step 2: Convert to fraction form
    255,889,499.70/383,078,422.35 = 169,725,198.90/x
  3. Step 3: Cross multiply
    255,889,499.70x = 383,078,422.35 × 169,725,198.90
  4. Step 4: Simplify right side
    255,889,499.70x = 65,018,061,427,651,960
  5. Step 5: Solve for x
    x = 65,018,061,427,651,960/255,889,499.70
  6. Step 6: Final answer
    x = 254,086,476.80

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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.