Home / 220,140,263.40-303,775,505.94-129,599,383.56

Finding the Fourth Proportional to 220,140,263.40, 303,775,505.94 and 129,599,383.56

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Solution

The fourth proportional to 220,140,263.40, 303,775,505.94 and 129,599,383.56 is: 178,836,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140,263.40 : 303,775,505.94 = 129,599,383.56 : x
  2. Step 2: Convert to fraction form
    220,140,263.40/303,775,505.94 = 129,599,383.56/x
  3. Step 3: Cross multiply
    220,140,263.40x = 303,775,505.94 × 129,599,383.56
  4. Step 4: Simplify right side
    220,140,263.40x = 39,369,118,310,451,120
  5. Step 5: Solve for x
    x = 39,369,118,310,451,120/220,140,263.40
  6. Step 6: Final answer
    x = 178,836,518.60

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1.5x scale

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.