Home / 67,016,175.90-100,431,261.66-30,535,412.10

Finding the Fourth Proportional to 67,016,175.90, 100,431,261.66 and 30,535,412.10

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Solution

The fourth proportional to 67,016,175.90, 100,431,261.66 and 30,535,412.10 is: 45,760,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,016,175.90 : 100,431,261.66 = 30,535,412.10 : x
  2. Step 2: Convert to fraction form
    67,016,175.90/100,431,261.66 = 30,535,412.10/x
  3. Step 3: Cross multiply
    67,016,175.90x = 100,431,261.66 × 30,535,412.10
  4. Step 4: Simplify right side
    67,016,175.90x = 3,066,709,962,511,030
  5. Step 5: Solve for x
    x = 3,066,709,962,511,030/67,016,175.90
  6. Step 6: Final answer
    x = 45,760,742.41

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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.