Home / 69,504,475.06-103,642,632.66-68,880,633.89

Finding the Fourth Proportional to 69,504,475.06, 103,642,632.66 and 68,880,633.89

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Solution

The fourth proportional to 69,504,475.06, 103,642,632.66 and 68,880,633.89 is: 102,712,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,504,475.06 : 103,642,632.66 = 68,880,633.89 : x
  2. Step 2: Convert to fraction form
    69,504,475.06/103,642,632.66 = 68,880,633.89/x
  3. Step 3: Cross multiply
    69,504,475.06x = 103,642,632.66 × 68,880,633.89
  4. Step 4: Simplify right side
    69,504,475.06x = 7,138,970,235,304,814
  5. Step 5: Solve for x
    x = 7,138,970,235,304,814/69,504,475.06
  6. Step 6: Final answer
    x = 102,712,382.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.