Home / 50,640,021.82-69,883,565.63-27,435,148.78

Finding the Fourth Proportional to 50,640,021.82, 69,883,565.63 and 27,435,148.78

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Solution

The fourth proportional to 50,640,021.82, 69,883,565.63 and 27,435,148.78 is: 37,860,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640,021.82 : 69,883,565.63 = 27,435,148.78 : x
  2. Step 2: Convert to fraction form
    50,640,021.82/69,883,565.63 = 27,435,148.78/x
  3. Step 3: Cross multiply
    50,640,021.82x = 69,883,565.63 × 27,435,148.78
  4. Step 4: Simplify right side
    50,640,021.82x = 1,917,266,020,335,944.50
  5. Step 5: Solve for x
    x = 1,917,266,020,335,944.50/50,640,021.82
  6. Step 6: Final answer
    x = 37,860,687.09

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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.