Home / 220,065,304.80-330,097,957.20-118,028,632.80

Finding the Fourth Proportional to 220,065,304.80, 330,097,957.20 and 118,028,632.80

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Solution

The fourth proportional to 220,065,304.80, 330,097,957.20 and 118,028,632.80 is: 177,042,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,065,304.80 : 330,097,957.20 = 118,028,632.80 : x
  2. Step 2: Convert to fraction form
    220,065,304.80/330,097,957.20 = 118,028,632.80/x
  3. Step 3: Cross multiply
    220,065,304.80x = 330,097,957.20 × 118,028,632.80
  4. Step 4: Simplify right side
    220,065,304.80x = 38,961,010,578,388,912
  5. Step 5: Solve for x
    x = 38,961,010,578,388,912/220,065,304.80
  6. Step 6: Final answer
    x = 177,042,949.20

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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.