Home / 157,882,961.44-217,867,426.20-91,798,771.36

Finding the Fourth Proportional to 157,882,961.44, 217,867,426.20 and 91,798,771.36

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Solution

The fourth proportional to 157,882,961.44, 217,867,426.20 and 91,798,771.36 is: 126,675,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,882,961.44 : 217,867,426.20 = 91,798,771.36 : x
  2. Step 2: Convert to fraction form
    157,882,961.44/217,867,426.20 = 91,798,771.36/x
  3. Step 3: Cross multiply
    157,882,961.44x = 217,867,426.20 × 91,798,771.36
  4. Step 4: Simplify right side
    157,882,961.44x = 19,999,962,044,525,472
  5. Step 5: Solve for x
    x = 19,999,962,044,525,472/157,882,961.44
  6. Step 6: Final answer
    x = 126,675,873.46

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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.