Home / 307,851,839.80-424,877,805-188,753,363.84

Finding the Fourth Proportional to 307,851,839.80, 424,877,805 and 188,753,363.84

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Solution

The fourth proportional to 307,851,839.80, 424,877,805 and 188,753,363.84 is: 260,505,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,851,839.80 : 424,877,805 = 188,753,363.84 : x
  2. Step 2: Convert to fraction form
    307,851,839.80/424,877,805 = 188,753,363.84/x
  3. Step 3: Cross multiply
    307,851,839.80x = 424,877,805 × 188,753,363.84
  4. Step 4: Simplify right side
    307,851,839.80x = 80,197,114,915,767,760
  5. Step 5: Solve for x
    x = 80,197,114,915,767,760/307,851,839.80
  6. Step 6: Final answer
    x = 260,505,556.73

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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.