Home / 127,104,647.34-175,399,247.97-72,099,322.86

Finding the Fourth Proportional to 127,104,647.34, 175,399,247.97 and 72,099,322.86

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Solution

The fourth proportional to 127,104,647.34, 175,399,247.97 and 72,099,322.86 is: 99,494,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,647.34 : 175,399,247.97 = 72,099,322.86 : x
  2. Step 2: Convert to fraction form
    127,104,647.34/175,399,247.97 = 72,099,322.86/x
  3. Step 3: Cross multiply
    127,104,647.34x = 175,399,247.97 × 72,099,322.86
  4. Step 4: Simplify right side
    127,104,647.34x = 12,646,167,008,790,230
  5. Step 5: Solve for x
    x = 12,646,167,008,790,230/127,104,647.34
  6. Step 6: Final answer
    x = 99,494,135.53

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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.