Home / 91,493,037.10-137,345,843.85-55,142,472.70

Finding the Fourth Proportional to 91,493,037.10, 137,345,843.85 and 55,142,472.70

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Solution

The fourth proportional to 91,493,037.10, 137,345,843.85 and 55,142,472.70 is: 82,777,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,493,037.10 : 137,345,843.85 = 55,142,472.70 : x
  2. Step 2: Convert to fraction form
    91,493,037.10/137,345,843.85 = 55,142,472.70/x
  3. Step 3: Cross multiply
    91,493,037.10x = 137,345,843.85 × 55,142,472.70
  4. Step 4: Simplify right side
    91,493,037.10x = 7,573,589,444,957,088
  5. Step 5: Solve for x
    x = 7,573,589,444,957,088/91,493,037.10
  6. Step 6: Final answer
    x = 82,777,768.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.