Home / 220,065,291.30-330,097,936.95-118,028,619.30

Finding the Fourth Proportional to 220,065,291.30, 330,097,936.95 and 118,028,619.30

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Solution

The fourth proportional to 220,065,291.30, 330,097,936.95 and 118,028,619.30 is: 177,042,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,065,291.30 : 330,097,936.95 = 118,028,619.30 : x
  2. Step 2: Convert to fraction form
    220,065,291.30/330,097,936.95 = 118,028,619.30/x
  3. Step 3: Cross multiply
    220,065,291.30x = 330,097,936.95 × 118,028,619.30
  4. Step 4: Simplify right side
    220,065,291.30x = 38,961,003,731,986,952
  5. Step 5: Solve for x
    x = 38,961,003,731,986,952/220,065,291.30
  6. Step 6: Final answer
    x = 177,042,928.95

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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.