Home / 146,788,811.20-220,183,216.80-60,482,792.80

Finding the Fourth Proportional to 146,788,811.20, 220,183,216.80 and 60,482,792.80

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Solution

The fourth proportional to 146,788,811.20, 220,183,216.80 and 60,482,792.80 is: 90,724,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,788,811.20 : 220,183,216.80 = 60,482,792.80 : x
  2. Step 2: Convert to fraction form
    146,788,811.20/220,183,216.80 = 60,482,792.80/x
  3. Step 3: Cross multiply
    146,788,811.20x = 220,183,216.80 × 60,482,792.80
  4. Step 4: Simplify right side
    146,788,811.20x = 13,317,295,879,751,880
  5. Step 5: Solve for x
    x = 13,317,295,879,751,880/146,788,811.20
  6. Step 6: Final answer
    x = 90,724,189.20

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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.