Home / 220,580,028.60-330,870,042.90-105,788,772.60

Finding the Fourth Proportional to 220,580,028.60, 330,870,042.90 and 105,788,772.60

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Solution

The fourth proportional to 220,580,028.60, 330,870,042.90 and 105,788,772.60 is: 158,683,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,580,028.60 : 330,870,042.90 = 105,788,772.60 : x
  2. Step 2: Convert to fraction form
    220,580,028.60/330,870,042.90 = 105,788,772.60/x
  3. Step 3: Cross multiply
    220,580,028.60x = 330,870,042.90 × 105,788,772.60
  4. Step 4: Simplify right side
    220,580,028.60x = 35,002,335,728,500,340
  5. Step 5: Solve for x
    x = 35,002,335,728,500,340/220,580,028.60
  6. Step 6: Final answer
    x = 158,683,158.90

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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.