Home / 338,383,135.20-507,585,738.96-161,081,810.40

Finding the Fourth Proportional to 338,383,135.20, 507,585,738.96 and 161,081,810.40

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Solution

The fourth proportional to 338,383,135.20, 507,585,738.96 and 161,081,810.40 is: 241,627,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,383,135.20 : 507,585,738.96 = 161,081,810.40 : x
  2. Step 2: Convert to fraction form
    338,383,135.20/507,585,738.96 = 161,081,810.40/x
  3. Step 3: Cross multiply
    338,383,135.20x = 507,585,738.96 × 161,081,810.40
  4. Step 4: Simplify right side
    338,383,135.20x = 81,762,829,764,898,608
  5. Step 5: Solve for x
    x = 81,762,829,764,898,608/338,383,135.20
  6. Step 6: Final answer
    x = 241,627,969.19

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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.