Home / 220,361,663.40-330,542,495.10-118,324,991.40

Finding the Fourth Proportional to 220,361,663.40, 330,542,495.10 and 118,324,991.40

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Solution

The fourth proportional to 220,361,663.40, 330,542,495.10 and 118,324,991.40 is: 177,487,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,361,663.40 : 330,542,495.10 = 118,324,991.40 : x
  2. Step 2: Convert to fraction form
    220,361,663.40/330,542,495.10 = 118,324,991.40/x
  3. Step 3: Cross multiply
    220,361,663.40x = 330,542,495.10 × 118,324,991.40
  4. Step 4: Simplify right side
    220,361,663.40x = 39,111,437,890,042,048
  5. Step 5: Solve for x
    x = 39,111,437,890,042,048/220,361,663.40
  6. Step 6: Final answer
    x = 177,487,487.10

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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.