Home / 71,016,904.21-98,071,011.45-67,147,957.24

Finding the Fourth Proportional to 71,016,904.21, 98,071,011.45 and 67,147,957.24

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Solution

The fourth proportional to 71,016,904.21, 98,071,011.45 and 67,147,957.24 is: 92,728,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016,904.21 : 98,071,011.45 = 67,147,957.24 : x
  2. Step 2: Convert to fraction form
    71,016,904.21/98,071,011.45 = 67,147,957.24/x
  3. Step 3: Cross multiply
    71,016,904.21x = 98,071,011.45 × 67,147,957.24
  4. Step 4: Simplify right side
    71,016,904.21x = 6,585,268,083,328,150
  5. Step 5: Solve for x
    x = 6,585,268,083,328,150/71,016,904.21
  6. Step 6: Final answer
    x = 92,728,177.28

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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.