Home / 220,535,200.80-330,802,801.20-147,975,789.60

Finding the Fourth Proportional to 220,535,200.80, 330,802,801.20 and 147,975,789.60

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Solution

The fourth proportional to 220,535,200.80, 330,802,801.20 and 147,975,789.60 is: 221,963,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,535,200.80 : 330,802,801.20 = 147,975,789.60 : x
  2. Step 2: Convert to fraction form
    220,535,200.80/330,802,801.20 = 147,975,789.60/x
  3. Step 3: Cross multiply
    220,535,200.80x = 330,802,801.20 × 147,975,789.60
  4. Step 4: Simplify right side
    220,535,200.80x = 48,950,805,709,461,824
  5. Step 5: Solve for x
    x = 48,950,805,709,461,824/220,535,200.80
  6. Step 6: Final answer
    x = 221,963,684.40

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1.5x scale

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.