Home / 87,755,243.49-121,106,043-48,597,020.37

Finding the Fourth Proportional to 87,755,243.49, 121,106,043 and 48,597,020.37

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Solution

The fourth proportional to 87,755,243.49, 121,106,043 and 48,597,020.37 is: 67,065,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755,243.49 : 121,106,043 = 48,597,020.37 : x
  2. Step 2: Convert to fraction form
    87,755,243.49/121,106,043 = 48,597,020.37/x
  3. Step 3: Cross multiply
    87,755,243.49x = 121,106,043 × 48,597,020.37
  4. Step 4: Simplify right side
    87,755,243.49x = 5,885,392,838,601,096
  5. Step 5: Solve for x
    x = 5,885,392,838,601,096/87,755,243.49
  6. Step 6: Final answer
    x = 67,065,996.34

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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.