Home / 68,651,010.90-102,976,516.35-36,290,409.30

Finding the Fourth Proportional to 68,651,010.90, 102,976,516.35 and 36,290,409.30

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Solution

The fourth proportional to 68,651,010.90, 102,976,516.35 and 36,290,409.30 is: 54,435,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,651,010.90 : 102,976,516.35 = 36,290,409.30 : x
  2. Step 2: Convert to fraction form
    68,651,010.90/102,976,516.35 = 36,290,409.30/x
  3. Step 3: Cross multiply
    68,651,010.90x = 102,976,516.35 × 36,290,409.30
  4. Step 4: Simplify right side
    68,651,010.90x = 3,737,059,926,629,641.50
  5. Step 5: Solve for x
    x = 3,737,059,926,629,641.50/68,651,010.90
  6. Step 6: Final answer
    x = 54,435,613.95

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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.