Home / 87,953,736.64-121,381,906.95-50,785,583.47

Finding the Fourth Proportional to 87,953,736.64, 121,381,906.95 and 50,785,583.47

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Solution

The fourth proportional to 87,953,736.64, 121,381,906.95 and 50,785,583.47 is: 70,087,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,953,736.64 : 121,381,906.95 = 50,785,583.47 : x
  2. Step 2: Convert to fraction form
    87,953,736.64/121,381,906.95 = 50,785,583.47/x
  3. Step 3: Cross multiply
    87,953,736.64x = 121,381,906.95 × 50,785,583.47
  4. Step 4: Simplify right side
    87,953,736.64x = 6,164,450,967,156,998
  5. Step 5: Solve for x
    x = 6,164,450,967,156,998/87,953,736.64
  6. Step 6: Final answer
    x = 70,087,425.53

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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.