Home / 265,235,200.80-397,906,609.20-83,440,096.80

Finding the Fourth Proportional to 265,235,200.80, 397,906,609.20 and 83,440,096.80

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Solution

The fourth proportional to 265,235,200.80, 397,906,609.20 and 83,440,096.80 is: 125,177,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,235,200.80 : 397,906,609.20 = 83,440,096.80 : x
  2. Step 2: Convert to fraction form
    265,235,200.80/397,906,609.20 = 83,440,096.80/x
  3. Step 3: Cross multiply
    265,235,200.80x = 397,906,609.20 × 83,440,096.80
  4. Step 4: Simplify right side
    265,235,200.80x = 33,201,365,989,007,768
  5. Step 5: Solve for x
    x = 33,201,365,989,007,768/265,235,200.80
  6. Step 6: Final answer
    x = 125,177,072.61

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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.