Home / 65,696,890.19-90,659,913.38-36,327,218.52

Finding the Fourth Proportional to 65,696,890.19, 90,659,913.38 and 36,327,218.52

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Solution

The fourth proportional to 65,696,890.19, 90,659,913.38 and 36,327,218.52 is: 50,130,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,696,890.19 : 90,659,913.38 = 36,327,218.52 : x
  2. Step 2: Convert to fraction form
    65,696,890.19/90,659,913.38 = 36,327,218.52/x
  3. Step 3: Cross multiply
    65,696,890.19x = 90,659,913.38 × 36,327,218.52
  4. Step 4: Simplify right side
    65,696,890.19x = 3,293,422,483,965,464.50
  5. Step 5: Solve for x
    x = 3,293,422,483,965,464.50/65,696,890.19
  6. Step 6: Final answer
    x = 50,130,568.95

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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.