Home / 203,936,216.66-306,045,600.90-81,101,947.94

Finding the Fourth Proportional to 203,936,216.66, 306,045,600.90 and 81,101,947.94

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Solution

The fourth proportional to 203,936,216.66, 306,045,600.90 and 81,101,947.94 is: 121,709,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,936,216.66 : 306,045,600.90 = 81,101,947.94 : x
  2. Step 2: Convert to fraction form
    203,936,216.66/306,045,600.90 = 81,101,947.94/x
  3. Step 3: Cross multiply
    203,936,216.66x = 306,045,600.90 × 81,101,947.94
  4. Step 4: Simplify right side
    203,936,216.66x = 24,820,894,391,457,816
  5. Step 5: Solve for x
    x = 24,820,894,391,457,816/203,936,216.66
  6. Step 6: Final answer
    x = 121,709,104.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.