Home / 186,831,229.20-280,246,843.80-109,028,266.80

Finding the Fourth Proportional to 186,831,229.20, 280,246,843.80 and 109,028,266.80

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Solution

The fourth proportional to 186,831,229.20, 280,246,843.80 and 109,028,266.80 is: 163,542,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,831,229.20 : 280,246,843.80 = 109,028,266.80 : x
  2. Step 2: Convert to fraction form
    186,831,229.20/280,246,843.80 = 109,028,266.80/x
  3. Step 3: Cross multiply
    186,831,229.20x = 280,246,843.80 × 109,028,266.80
  4. Step 4: Simplify right side
    186,831,229.20x = 30,554,827,655,684,328
  5. Step 5: Solve for x
    x = 30,554,827,655,684,328/186,831,229.20
  6. Step 6: Final answer
    x = 163,542,400.20

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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.