Home / 68,170,042.72-94,076,980.43-40,316,629.42

Finding the Fourth Proportional to 68,170,042.72, 94,076,980.43 and 40,316,629.42

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Solution

The fourth proportional to 68,170,042.72, 94,076,980.43 and 40,316,629.42 is: 55,638,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,042.72 : 94,076,980.43 = 40,316,629.42 : x
  2. Step 2: Convert to fraction form
    68,170,042.72/94,076,980.43 = 40,316,629.42/x
  3. Step 3: Cross multiply
    68,170,042.72x = 94,076,980.43 × 40,316,629.42
  4. Step 4: Simplify right side
    68,170,042.72x = 3,792,866,756,948,902.50
  5. Step 5: Solve for x
    x = 3,792,866,756,948,902.50/68,170,042.72
  6. Step 6: Final answer
    x = 55,638,321.55

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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.