Home / 338,383,137.20-507,585,741.96-161,081,812.40

Finding the Fourth Proportional to 338,383,137.20, 507,585,741.96 and 161,081,812.40

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Solution

The fourth proportional to 338,383,137.20, 507,585,741.96 and 161,081,812.40 is: 241,627,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,383,137.20 : 507,585,741.96 = 161,081,812.40 : x
  2. Step 2: Convert to fraction form
    338,383,137.20/507,585,741.96 = 161,081,812.40/x
  3. Step 3: Cross multiply
    338,383,137.20x = 507,585,741.96 × 161,081,812.40
  4. Step 4: Simplify right side
    338,383,137.20x = 81,762,831,263,315,520
  5. Step 5: Solve for x
    x = 81,762,831,263,315,520/338,383,137.20
  6. Step 6: Final answer
    x = 241,627,972.19

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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.