Home / 71,016,903.21-98,071,010.07-67,147,956.24

Finding the Fourth Proportional to 71,016,903.21, 98,071,010.07 and 67,147,956.24

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Solution

The fourth proportional to 71,016,903.21, 98,071,010.07 and 67,147,956.24 is: 92,728,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,903.21 : 98,071,010.07 = 67,147,956.24 : x
  2. Step 2: Convert to fraction form
    71,016,903.21/98,071,010.07 = 67,147,956.24/x
  3. Step 3: Cross multiply
    71,016,903.21x = 98,071,010.07 × 67,147,956.24
  4. Step 4: Simplify right side
    71,016,903.21x = 6,585,267,892,592,958
  5. Step 5: Solve for x
    x = 6,585,267,892,592,958/71,016,903.21
  6. Step 6: Final answer
    x = 92,728,175.90

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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.