Home / 91,449,012.45-126,199,762.03-49,633,078.31

Finding the Fourth Proportional to 91,449,012.45, 126,199,762.03 and 49,633,078.31

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Solution

The fourth proportional to 91,449,012.45, 126,199,762.03 and 49,633,078.31 is: 68,493,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,449,012.45 : 126,199,762.03 = 49,633,078.31 : x
  2. Step 2: Convert to fraction form
    91,449,012.45/126,199,762.03 = 49,633,078.31/x
  3. Step 3: Cross multiply
    91,449,012.45x = 126,199,762.03 × 49,633,078.31
  4. Step 4: Simplify right side
    91,449,012.45x = 6,263,682,671,538,355
  5. Step 5: Solve for x
    x = 6,263,682,671,538,355/91,449,012.45
  6. Step 6: Final answer
    x = 68,493,715.83

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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.