Home / 193,610,791.80-290,416,187.70-149,772,814.20

Finding the Fourth Proportional to 193,610,791.80, 290,416,187.70 and 149,772,814.20

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Solution

The fourth proportional to 193,610,791.80, 290,416,187.70 and 149,772,814.20 is: 224,659,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,610,791.80 : 290,416,187.70 = 149,772,814.20 : x
  2. Step 2: Convert to fraction form
    193,610,791.80/290,416,187.70 = 149,772,814.20/x
  3. Step 3: Cross multiply
    193,610,791.80x = 290,416,187.70 × 149,772,814.20
  4. Step 4: Simplify right side
    193,610,791.80x = 43,496,449,721,064,424
  5. Step 5: Solve for x
    x = 43,496,449,721,064,424/193,610,791.80
  6. Step 6: Final answer
    x = 224,659,221.30

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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.