Home / 91,809,066-126,696,511.08-50,555,859.96

Finding the Fourth Proportional to 91,809,066, 126,696,511.08 and 50,555,859.96

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Solution

The fourth proportional to 91,809,066, 126,696,511.08 and 50,555,859.96 is: 69,767,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,809,066 : 126,696,511.08 = 50,555,859.96 : x
  2. Step 2: Convert to fraction form
    91,809,066/126,696,511.08 = 50,555,859.96/x
  3. Step 3: Cross multiply
    91,809,066x = 126,696,511.08 × 50,555,859.96
  4. Step 4: Simplify right side
    91,809,066x = 6,405,251,071,581,068
  5. Step 5: Solve for x
    x = 6,405,251,071,581,068/91,809,066
  6. Step 6: Final answer
    x = 69,767,086.74

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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.