Home / 220,352,562.40-330,130,712.40-188,502,066.40

Finding the Fourth Proportional to 220,352,562.40, 330,130,712.40 and 188,502,066.40

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Solution

The fourth proportional to 220,352,562.40, 330,130,712.40 and 188,502,066.40 is: 282,412,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,352,562.40 : 330,130,712.40 = 188,502,066.40 : x
  2. Step 2: Convert to fraction form
    220,352,562.40/330,130,712.40 = 188,502,066.40/x
  3. Step 3: Cross multiply
    220,352,562.40x = 330,130,712.40 × 188,502,066.40
  4. Step 4: Simplify right side
    220,352,562.40x = 62,230,321,469,504,104
  5. Step 5: Solve for x
    x = 62,230,321,469,504,104/220,352,562.40
  6. Step 6: Final answer
    x = 282,412,515.61

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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.