Home / 220,140,232.38-303,775,463.16-129,599,352.54

Finding the Fourth Proportional to 220,140,232.38, 303,775,463.16 and 129,599,352.54

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Solution

The fourth proportional to 220,140,232.38, 303,775,463.16 and 129,599,352.54 is: 178,836,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140,232.38 : 303,775,463.16 = 129,599,352.54 : x
  2. Step 2: Convert to fraction form
    220,140,232.38/303,775,463.16 = 129,599,352.54/x
  3. Step 3: Cross multiply
    220,140,232.38x = 303,775,463.16 × 129,599,352.54
  4. Step 4: Simplify right side
    220,140,232.38x = 39,369,103,343,074,624
  5. Step 5: Solve for x
    x = 39,369,103,343,074,624/220,140,232.38
  6. Step 6: Final answer
    x = 178,836,475.81

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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.