Home / 220,140,262.40-303,775,504.56-129,599,382.56

Finding the Fourth Proportional to 220,140,262.40, 303,775,504.56 and 129,599,382.56

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Solution

The fourth proportional to 220,140,262.40, 303,775,504.56 and 129,599,382.56 is: 178,836,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140,262.40 : 303,775,504.56 = 129,599,382.56 : x
  2. Step 2: Convert to fraction form
    220,140,262.40/303,775,504.56 = 129,599,382.56/x
  3. Step 3: Cross multiply
    220,140,262.40x = 303,775,504.56 × 129,599,382.56
  4. Step 4: Simplify right side
    220,140,262.40x = 39,369,117,827,828,464
  5. Step 5: Solve for x
    x = 39,369,117,827,828,464/220,140,262.40
  6. Step 6: Final answer
    x = 178,836,517.22

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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.