Home / 118,457,861.28-163,471,290.56-66,247,104.54

Finding the Fourth Proportional to 118,457,861.28, 163,471,290.56 and 66,247,104.54

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Solution

The fourth proportional to 118,457,861.28, 163,471,290.56 and 66,247,104.54 is: 91,420,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,457,861.28 : 163,471,290.56 = 66,247,104.54 : x
  2. Step 2: Convert to fraction form
    118,457,861.28/163,471,290.56 = 66,247,104.54/x
  3. Step 3: Cross multiply
    118,457,861.28x = 163,471,290.56 × 66,247,104.54
  4. Step 4: Simplify right side
    118,457,861.28x = 10,829,499,674,440,900
  5. Step 5: Solve for x
    x = 10,829,499,674,440,900/118,457,861.28
  6. Step 6: Final answer
    x = 91,420,692.20

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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.