Home / 68,247,880.61-94,171,540.36-38,875,481.06

Finding the Fourth Proportional to 68,247,880.61, 94,171,540.36 and 38,875,481.06

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Solution

The fourth proportional to 68,247,880.61, 94,171,540.36 and 38,875,481.06 is: 53,642,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,247,880.61 : 94,171,540.36 = 38,875,481.06 : x
  2. Step 2: Convert to fraction form
    68,247,880.61/94,171,540.36 = 38,875,481.06/x
  3. Step 3: Cross multiply
    68,247,880.61x = 94,171,540.36 × 38,875,481.06
  4. Step 4: Simplify right side
    68,247,880.61x = 3,660,963,933,461,828.50
  5. Step 5: Solve for x
    x = 3,660,963,933,461,828.50/68,247,880.61
  6. Step 6: Final answer
    x = 53,642,162.96

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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.