Home / 91,768,025.58-126,642,485.88-49,954,787.46

Finding the Fourth Proportional to 91,768,025.58, 126,642,485.88 and 49,954,787.46

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Solution

The fourth proportional to 91,768,025.58, 126,642,485.88 and 49,954,787.46 is: 68,939,027.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,768,025.58 : 126,642,485.88 = 49,954,787.46 : x
  2. Step 2: Convert to fraction form
    91,768,025.58/126,642,485.88 = 49,954,787.46/x
  3. Step 3: Cross multiply
    91,768,025.58x = 126,642,485.88 × 49,954,787.46
  4. Step 4: Simplify right side
    91,768,025.58x = 6,326,398,465,541,451
  5. Step 5: Solve for x
    x = 6,326,398,465,541,451/91,768,025.58
  6. Step 6: Final answer
    x = 68,939,027.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.