Home / 87,969,558.88-121,397,954.16-51,293,046.88

Finding the Fourth Proportional to 87,969,558.88, 121,397,954.16 and 51,293,046.88

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Solution

The fourth proportional to 87,969,558.88, 121,397,954.16 and 51,293,046.88 is: 70,784,383.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,969,558.88 : 121,397,954.16 = 51,293,046.88 : x
  2. Step 2: Convert to fraction form
    87,969,558.88/121,397,954.16 = 51,293,046.88/x
  3. Step 3: Cross multiply
    87,969,558.88x = 121,397,954.16 × 51,293,046.88
  4. Step 4: Simplify right side
    87,969,558.88x = 6,226,870,953,864,971
  5. Step 5: Solve for x
    x = 6,226,870,953,864,971/87,969,558.88
  6. Step 6: Final answer
    x = 70,784,383.07

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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.