Home / 100,851,743.58-139,239,665.87-82,311,109.54

Finding the Fourth Proportional to 100,851,743.58, 139,239,665.87 and 82,311,109.54

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Solution

The fourth proportional to 100,851,743.58, 139,239,665.87 and 82,311,109.54 is: 113,641,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851,743.58 : 139,239,665.87 = 82,311,109.54 : x
  2. Step 2: Convert to fraction form
    100,851,743.58/139,239,665.87 = 82,311,109.54/x
  3. Step 3: Cross multiply
    100,851,743.58x = 139,239,665.87 × 82,311,109.54
  4. Step 4: Simplify right side
    100,851,743.58x = 11,460,971,389,233,942
  5. Step 5: Solve for x
    x = 11,460,971,389,233,942/100,851,743.58
  6. Step 6: Final answer
    x = 113,641,777.34

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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.