Home / 157,982,588.88-217,963,170.78-91,889,057.04

Finding the Fourth Proportional to 157,982,588.88, 217,963,170.78 and 91,889,057.04

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Solution

The fourth proportional to 157,982,588.88, 217,963,170.78 and 91,889,057.04 is: 126,776,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,982,588.88 : 217,963,170.78 = 91,889,057.04 : x
  2. Step 2: Convert to fraction form
    157,982,588.88/217,963,170.78 = 91,889,057.04/x
  3. Step 3: Cross multiply
    157,982,588.88x = 217,963,170.78 × 91,889,057.04
  4. Step 4: Simplify right side
    157,982,588.88x = 20,028,430,232,422,684
  5. Step 5: Solve for x
    x = 20,028,430,232,422,684/157,982,588.88
  6. Step 6: Final answer
    x = 126,776,187.01

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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.