Home / 68,195,827.80-102,293,741.70-40,986,048.60

Finding the Fourth Proportional to 68,195,827.80, 102,293,741.70 and 40,986,048.60

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Solution

The fourth proportional to 68,195,827.80, 102,293,741.70 and 40,986,048.60 is: 61,479,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,195,827.80 : 102,293,741.70 = 40,986,048.60 : x
  2. Step 2: Convert to fraction form
    68,195,827.80/102,293,741.70 = 40,986,048.60/x
  3. Step 3: Cross multiply
    68,195,827.80x = 102,293,741.70 × 40,986,048.60
  4. Step 4: Simplify right side
    68,195,827.80x = 4,192,616,268,792,047
  5. Step 5: Solve for x
    x = 4,192,616,268,792,047/68,195,827.80
  6. Step 6: Final answer
    x = 61,479,072.90

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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.