Home / 91,405,776.86-126,140,211.63-49,589,840.03

Finding the Fourth Proportional to 91,405,776.86, 126,140,211.63 and 49,589,840.03

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Solution

The fourth proportional to 91,405,776.86, 126,140,211.63 and 49,589,840.03 is: 68,434,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,405,776.86 : 126,140,211.63 = 49,589,840.03 : x
  2. Step 2: Convert to fraction form
    91,405,776.86/126,140,211.63 = 49,589,840.03/x
  3. Step 3: Cross multiply
    91,405,776.86x = 126,140,211.63 × 49,589,840.03
  4. Step 4: Simplify right side
    91,405,776.86x = 6,255,272,915,451,344
  5. Step 5: Solve for x
    x = 6,255,272,915,451,344/91,405,776.86
  6. Step 6: Final answer
    x = 68,434,109.21

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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.