Home / 91,392,867.42-126,122,147.67-51,699,550.14

Finding the Fourth Proportional to 91,392,867.42, 126,122,147.67 and 51,699,550.14

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Solution

The fourth proportional to 91,392,867.42, 126,122,147.67 and 51,699,550.14 is: 71,345,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,392,867.42 : 126,122,147.67 = 51,699,550.14 : x
  2. Step 2: Convert to fraction form
    91,392,867.42/126,122,147.67 = 51,699,550.14/x
  3. Step 3: Cross multiply
    91,392,867.42x = 126,122,147.67 × 51,699,550.14
  4. Step 4: Simplify right side
    91,392,867.42x = 6,520,458,297,229,649
  5. Step 5: Solve for x
    x = 6,520,458,297,229,649/91,392,867.42
  6. Step 6: Final answer
    x = 71,345,373.89

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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.