Home / 91,702,947.21-126,550,889.07-49,887,923.67

Finding the Fourth Proportional to 91,702,947.21, 126,550,889.07 and 49,887,923.67

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Solution

The fourth proportional to 91,702,947.21, 126,550,889.07 and 49,887,923.67 is: 68,845,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702,947.21 : 126,550,889.07 = 49,887,923.67 : x
  2. Step 2: Convert to fraction form
    91,702,947.21/126,550,889.07 = 49,887,923.67/x
  3. Step 3: Cross multiply
    91,702,947.21x = 126,550,889.07 × 49,887,923.67
  4. Step 4: Simplify right side
    91,702,947.21x = 6,313,361,094,294,797
  5. Step 5: Solve for x
    x = 6,313,361,094,294,797/91,702,947.21
  6. Step 6: Final answer
    x = 68,845,781.80

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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.