Home / 220,483,280.20-330,724,920.30-154,726,313.80

Finding the Fourth Proportional to 220,483,280.20, 330,724,920.30 and 154,726,313.80

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Solution

The fourth proportional to 220,483,280.20, 330,724,920.30 and 154,726,313.80 is: 232,089,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,483,280.20 : 330,724,920.30 = 154,726,313.80 : x
  2. Step 2: Convert to fraction form
    220,483,280.20/330,724,920.30 = 154,726,313.80/x
  3. Step 3: Cross multiply
    220,483,280.20x = 330,724,920.30 × 154,726,313.80
  4. Step 4: Simplify right side
    220,483,280.20x = 51,171,847,799,817,792
  5. Step 5: Solve for x
    x = 51,171,847,799,817,792/220,483,280.20
  6. Step 6: Final answer
    x = 232,089,470.70

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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.