Home / 67,016,170.39-100,431,253.41-30,535,406.59

Finding the Fourth Proportional to 67,016,170.39, 100,431,253.41 and 30,535,406.59

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Solution

The fourth proportional to 67,016,170.39, 100,431,253.41 and 30,535,406.59 is: 45,760,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,016,170.39 : 100,431,253.41 = 30,535,406.59 : x
  2. Step 2: Convert to fraction form
    67,016,170.39/100,431,253.41 = 30,535,406.59/x
  3. Step 3: Cross multiply
    67,016,170.39x = 100,431,253.41 × 30,535,406.59
  4. Step 4: Simplify right side
    67,016,170.39x = 3,066,709,157,064,997
  5. Step 5: Solve for x
    x = 3,066,709,157,064,997/67,016,170.39
  6. Step 6: Final answer
    x = 45,760,734.15

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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.