Home / 205,227,151.34-308,331,832.55-131,595,192.97

Finding the Fourth Proportional to 205,227,151.34, 308,331,832.55 and 131,595,192.97

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Solution

The fourth proportional to 205,227,151.34, 308,331,832.55 and 131,595,192.97 is: 197,707,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,227,151.34 : 308,331,832.55 = 131,595,192.97 : x
  2. Step 2: Convert to fraction form
    205,227,151.34/308,331,832.55 = 131,595,192.97/x
  3. Step 3: Cross multiply
    205,227,151.34x = 308,331,832.55 × 131,595,192.97
  4. Step 4: Simplify right side
    205,227,151.34x = 40,574,987,001,782,176
  5. Step 5: Solve for x
    x = 40,574,987,001,782,176/205,227,151.34
  6. Step 6: Final answer
    x = 197,707,694.80

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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.