Home / 163,423,049.82-225,521,972.46-89,081,982.60

Finding the Fourth Proportional to 163,423,049.82, 225,521,972.46 and 89,081,982.60

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Solution

The fourth proportional to 163,423,049.82, 225,521,972.46 and 89,081,982.60 is: 122,932,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,423,049.82 : 225,521,972.46 = 89,081,982.60 : x
  2. Step 2: Convert to fraction form
    163,423,049.82/225,521,972.46 = 89,081,982.60/x
  3. Step 3: Cross multiply
    163,423,049.82x = 225,521,972.46 × 89,081,982.60
  4. Step 4: Simplify right side
    163,423,049.82x = 20,089,944,426,599,400
  5. Step 5: Solve for x
    x = 20,089,944,426,599,400/163,423,049.82
  6. Step 6: Final answer
    x = 122,932,135.02

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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.