Home / 220,186,040.80-330,279,061.20-147,626,629.60

Finding the Fourth Proportional to 220,186,040.80, 330,279,061.20 and 147,626,629.60

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Solution

The fourth proportional to 220,186,040.80, 330,279,061.20 and 147,626,629.60 is: 221,439,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,186,040.80 : 330,279,061.20 = 147,626,629.60 : x
  2. Step 2: Convert to fraction form
    220,186,040.80/330,279,061.20 = 147,626,629.60/x
  3. Step 3: Cross multiply
    220,186,040.80x = 330,279,061.20 × 147,626,629.60
  4. Step 4: Simplify right side
    220,186,040.80x = 48,757,984,632,408,128
  5. Step 5: Solve for x
    x = 48,757,984,632,408,128/220,186,040.80
  6. Step 6: Final answer
    x = 221,439,944.40

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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.