Home / 68,494,374-102,725,839.08-40,836,117.60

Finding the Fourth Proportional to 68,494,374, 102,725,839.08 and 40,836,117.60

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Solution

The fourth proportional to 68,494,374, 102,725,839.08 and 40,836,117.60 is: 61,244,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,494,374 : 102,725,839.08 = 40,836,117.60 : x
  2. Step 2: Convert to fraction form
    68,494,374/102,725,839.08 = 40,836,117.60/x
  3. Step 3: Cross multiply
    68,494,374x = 102,725,839.08 × 40,836,117.60
  4. Step 4: Simplify right side
    68,494,374x = 4,194,924,445,229,556
  5. Step 5: Solve for x
    x = 4,194,924,445,229,556/68,494,374
  6. Step 6: Final answer
    x = 61,244,803.04

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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.