Home / 87,840,732.56-121,220,222.45-48,685,037.27

Finding the Fourth Proportional to 87,840,732.56, 121,220,222.45 and 48,685,037.27

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Solution

The fourth proportional to 87,840,732.56, 121,220,222.45 and 48,685,037.27 is: 67,185,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,840,732.56 : 121,220,222.45 = 48,685,037.27 : x
  2. Step 2: Convert to fraction form
    87,840,732.56/121,220,222.45 = 48,685,037.27/x
  3. Step 3: Cross multiply
    87,840,732.56x = 121,220,222.45 × 48,685,037.27
  4. Step 4: Simplify right side
    87,840,732.56x = 5,901,611,047,006,414
  5. Step 5: Solve for x
    x = 5,901,611,047,006,414/87,840,732.56
  6. Step 6: Final answer
    x = 67,185,357.81

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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.