Home / 372,307,221.88-513,777,697.96-205,059,057.73

Finding the Fourth Proportional to 372,307,221.88, 513,777,697.96 and 205,059,057.73

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Solution

The fourth proportional to 372,307,221.88, 513,777,697.96 and 205,059,057.73 is: 282,978,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,307,221.88 : 513,777,697.96 = 205,059,057.73 : x
  2. Step 2: Convert to fraction form
    372,307,221.88/513,777,697.96 = 205,059,057.73/x
  3. Step 3: Cross multiply
    372,307,221.88x = 513,777,697.96 × 205,059,057.73
  4. Step 4: Simplify right side
    372,307,221.88x = 105,354,770,626,366,128
  5. Step 5: Solve for x
    x = 105,354,770,626,366,128/372,307,221.88
  6. Step 6: Final answer
    x = 282,978,047.25

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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.