Home / 372,307,251.92-513,777,739.29-205,059,087.77

Finding the Fourth Proportional to 372,307,251.92, 513,777,739.29 and 205,059,087.77

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Solution

The fourth proportional to 372,307,251.92, 513,777,739.29 and 205,059,087.77 is: 282,978,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,307,251.92 : 513,777,739.29 = 205,059,087.77 : x
  2. Step 2: Convert to fraction form
    372,307,251.92/513,777,739.29 = 205,059,087.77/x
  3. Step 3: Cross multiply
    372,307,251.92x = 513,777,739.29 × 205,059,087.77
  4. Step 4: Simplify right side
    372,307,251.92x = 105,354,794,532,771,392
  5. Step 5: Solve for x
    x = 105,354,794,532,771,392/372,307,251.92
  6. Step 6: Final answer
    x = 282,978,088.64

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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.