Home / 157,982,574.89-217,963,151.44-91,889,043.03

Finding the Fourth Proportional to 157,982,574.89, 217,963,151.44 and 91,889,043.03

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Solution

The fourth proportional to 157,982,574.89, 217,963,151.44 and 91,889,043.03 is: 126,776,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,982,574.89 : 217,963,151.44 = 91,889,043.03 : x
  2. Step 2: Convert to fraction form
    157,982,574.89/217,963,151.44 = 91,889,043.03/x
  3. Step 3: Cross multiply
    157,982,574.89x = 217,963,151.44 × 91,889,043.03
  4. Step 4: Simplify right side
    157,982,574.89x = 20,028,425,401,394,844
  5. Step 5: Solve for x
    x = 20,028,425,401,394,844/157,982,574.89
  6. Step 6: Final answer
    x = 126,776,167.66

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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.