Home / 146,646,811.80-219,970,217.70-144,379,330.20

Finding the Fourth Proportional to 146,646,811.80, 219,970,217.70 and 144,379,330.20

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Solution

The fourth proportional to 146,646,811.80, 219,970,217.70 and 144,379,330.20 is: 216,568,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,646,811.80 : 219,970,217.70 = 144,379,330.20 : x
  2. Step 2: Convert to fraction form
    146,646,811.80/219,970,217.70 = 144,379,330.20/x
  3. Step 3: Cross multiply
    146,646,811.80x = 219,970,217.70 × 144,379,330.20
  4. Step 4: Simplify right side
    146,646,811.80x = 31,759,152,695,474,180
  5. Step 5: Solve for x
    x = 31,759,152,695,474,180/146,646,811.80
  6. Step 6: Final answer
    x = 216,568,995.30

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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.