Home / 91,405,772.30-126,140,205.31-49,589,835.44

Finding the Fourth Proportional to 91,405,772.30, 126,140,205.31 and 49,589,835.44

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Solution

The fourth proportional to 91,405,772.30, 126,140,205.31 and 49,589,835.44 is: 68,434,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,405,772.30 : 126,140,205.31 = 49,589,835.44 : x
  2. Step 2: Convert to fraction form
    91,405,772.30/126,140,205.31 = 49,589,835.44/x
  3. Step 3: Cross multiply
    91,405,772.30x = 126,140,205.31 × 49,589,835.44
  4. Step 4: Simplify right side
    91,405,772.30x = 6,255,272,022,812,065
  5. Step 5: Solve for x
    x = 6,255,272,022,812,065/91,405,772.30
  6. Step 6: Final answer
    x = 68,434,102.86

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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.