Home / 220,065,346.80-330,098,020.20-118,028,674.80

Finding the Fourth Proportional to 220,065,346.80, 330,098,020.20 and 118,028,674.80

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Solution

The fourth proportional to 220,065,346.80, 330,098,020.20 and 118,028,674.80 is: 177,043,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,065,346.80 : 330,098,020.20 = 118,028,674.80 : x
  2. Step 2: Convert to fraction form
    220,065,346.80/330,098,020.20 = 118,028,674.80/x
  3. Step 3: Cross multiply
    220,065,346.80x = 330,098,020.20 × 118,028,674.80
  4. Step 4: Simplify right side
    220,065,346.80x = 38,961,031,878,309,632
  5. Step 5: Solve for x
    x = 38,961,031,878,309,632/220,065,346.80
  6. Step 6: Final answer
    x = 177,043,012.20

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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.