Home / 39,967,201.68-55,157,942.76-31,774,872.60

Finding the Fourth Proportional to 39,967,201.68, 55,157,942.76 and 31,774,872.60

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Solution

The fourth proportional to 39,967,201.68, 55,157,942.76 and 31,774,872.60 is: 43,851,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967,201.68 : 55,157,942.76 = 31,774,872.60 : x
  2. Step 2: Convert to fraction form
    39,967,201.68/55,157,942.76 = 31,774,872.60/x
  3. Step 3: Cross multiply
    39,967,201.68x = 55,157,942.76 × 31,774,872.60
  4. Step 4: Simplify right side
    39,967,201.68x = 1,752,636,604,077,092.50
  5. Step 5: Solve for x
    x = 1,752,636,604,077,092.50/39,967,201.68
  6. Step 6: Final answer
    x = 43,851,871.80

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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.