Home / 126,913,586.58-190,374,892.38-40,640,783.85

Finding the Fourth Proportional to 126,913,586.58, 190,374,892.38 and 40,640,783.85

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Solution

The fourth proportional to 126,913,586.58, 190,374,892.38 and 40,640,783.85 is: 60,962,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913,586.58 : 190,374,892.38 = 40,640,783.85 : x
  2. Step 2: Convert to fraction form
    126,913,586.58/190,374,892.38 = 40,640,783.85/x
  3. Step 3: Cross multiply
    126,913,586.58x = 190,374,892.38 × 40,640,783.85
  4. Step 4: Simplify right side
    126,913,586.58x = 7,736,984,851,682,592
  5. Step 5: Solve for x
    x = 7,736,984,851,682,592/126,913,586.58
  6. Step 6: Final answer
    x = 60,962,620.79

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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.