Home / 68,170,132.90-94,077,104.64-40,316,719.60

Finding the Fourth Proportional to 68,170,132.90, 94,077,104.64 and 40,316,719.60

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Solution

The fourth proportional to 68,170,132.90, 94,077,104.64 and 40,316,719.60 is: 55,638,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,132.90 : 94,077,104.64 = 40,316,719.60 : x
  2. Step 2: Convert to fraction form
    68,170,132.90/94,077,104.64 = 40,316,719.60/x
  3. Step 3: Cross multiply
    68,170,132.90x = 94,077,104.64 × 40,316,719.60
  4. Step 4: Simplify right side
    68,170,132.90x = 3,792,880,248,550,739
  5. Step 5: Solve for x
    x = 3,792,880,248,550,739/68,170,132.90
  6. Step 6: Final answer
    x = 55,638,445.86

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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.