Home / 206,388,642.48-309,627,753.48-62,777,742

Finding the Fourth Proportional to 206,388,642.48, 309,627,753.48 and 62,777,742

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Solution

The fourth proportional to 206,388,642.48, 309,627,753.48 and 62,777,742 is: 94,180,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,388,642.48 : 309,627,753.48 = 62,777,742 : x
  2. Step 2: Convert to fraction form
    206,388,642.48/309,627,753.48 = 62,777,742/x
  3. Step 3: Cross multiply
    206,388,642.48x = 309,627,753.48 × 62,777,742
  4. Step 4: Simplify right side
    206,388,642.48x = 19,437,731,224,007,044
  5. Step 5: Solve for x
    x = 19,437,731,224,007,044/206,388,642.48
  6. Step 6: Final answer
    x = 94,180,236.81

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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.