Home / 100,972,745.86-151,505,138.88-51,823,114.13

Finding the Fourth Proportional to 100,972,745.86, 151,505,138.88 and 51,823,114.13

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Solution

The fourth proportional to 100,972,745.86, 151,505,138.88 and 51,823,114.13 is: 77,758,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,972,745.86 : 151,505,138.88 = 51,823,114.13 : x
  2. Step 2: Convert to fraction form
    100,972,745.86/151,505,138.88 = 51,823,114.13/x
  3. Step 3: Cross multiply
    100,972,745.86x = 151,505,138.88 × 51,823,114.13
  4. Step 4: Simplify right side
    100,972,745.86x = 7,851,468,103,152,441
  5. Step 5: Solve for x
    x = 7,851,468,103,152,441/100,972,745.86
  6. Step 6: Final answer
    x = 77,758,290.48

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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.