Home / 220,065,284.80-330,097,927.20-118,028,612.80

Finding the Fourth Proportional to 220,065,284.80, 330,097,927.20 and 118,028,612.80

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Solution

The fourth proportional to 220,065,284.80, 330,097,927.20 and 118,028,612.80 is: 177,042,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,065,284.80 : 330,097,927.20 = 118,028,612.80 : x
  2. Step 2: Convert to fraction form
    220,065,284.80/330,097,927.20 = 118,028,612.80/x
  3. Step 3: Cross multiply
    220,065,284.80x = 330,097,927.20 × 118,028,612.80
  4. Step 4: Simplify right side
    220,065,284.80x = 38,961,000,435,571,384
  5. Step 5: Solve for x
    x = 38,961,000,435,571,384/220,065,284.80
  6. Step 6: Final answer
    x = 177,042,919.20

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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.