Home / 65,781,114.76-90,777,940.19-36,412,447.33

Finding the Fourth Proportional to 65,781,114.76, 90,777,940.19 and 36,412,447.33

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Solution

The fourth proportional to 65,781,114.76, 90,777,940.19 and 36,412,447.33 is: 50,249,178.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,781,114.76 : 90,777,940.19 = 36,412,447.33 : x
  2. Step 2: Convert to fraction form
    65,781,114.76/90,777,940.19 = 36,412,447.33/x
  3. Step 3: Cross multiply
    65,781,114.76x = 90,777,940.19 × 36,412,447.33
  4. Step 4: Simplify right side
    65,781,114.76x = 3,305,446,965,894,265
  5. Step 5: Solve for x
    x = 3,305,446,965,894,265/65,781,114.76
  6. Step 6: Final answer
    x = 50,249,178.32

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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.