Home / 163,091,797.28-225,066,717.34-89,752,939.28

Finding the Fourth Proportional to 163,091,797.28, 225,066,717.34 and 89,752,939.28

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Solution

The fourth proportional to 163,091,797.28, 225,066,717.34 and 89,752,939.28 is: 123,859,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,091,797.28 : 225,066,717.34 = 89,752,939.28 : x
  2. Step 2: Convert to fraction form
    163,091,797.28/225,066,717.34 = 89,752,939.28/x
  3. Step 3: Cross multiply
    163,091,797.28x = 225,066,717.34 × 89,752,939.28
  4. Step 4: Simplify right side
    163,091,797.28x = 20,200,399,415,365,944
  5. Step 5: Solve for x
    x = 20,200,399,415,365,944/163,091,797.28
  6. Step 6: Final answer
    x = 123,859,076.62

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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.