Home / 91,702,941.21-126,550,880.79-49,887,917.67

Finding the Fourth Proportional to 91,702,941.21, 126,550,880.79 and 49,887,917.67

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Solution

The fourth proportional to 91,702,941.21, 126,550,880.79 and 49,887,917.67 is: 68,845,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702,941.21 : 126,550,880.79 = 49,887,917.67 : x
  2. Step 2: Convert to fraction form
    91,702,941.21/126,550,880.79 = 49,887,917.67/x
  3. Step 3: Cross multiply
    91,702,941.21x = 126,550,880.79 × 49,887,917.67
  4. Step 4: Simplify right side
    91,702,941.21x = 6,313,359,921,917,505
  5. Step 5: Solve for x
    x = 6,313,359,921,917,505/91,702,941.21
  6. Step 6: Final answer
    x = 68,845,773.52

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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.