Home / 91,029,081.28-125,512,796.64-73,571,442.88

Finding the Fourth Proportional to 91,029,081.28, 125,512,796.64 and 73,571,442.88

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Solution

The fourth proportional to 91,029,081.28, 125,512,796.64 and 73,571,442.88 is: 101,441,840.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,029,081.28 : 125,512,796.64 = 73,571,442.88 : x
  2. Step 2: Convert to fraction form
    91,029,081.28/125,512,796.64 = 73,571,442.88/x
  3. Step 3: Cross multiply
    91,029,081.28x = 125,512,796.64 × 73,571,442.88
  4. Step 4: Simplify right side
    91,029,081.28x = 9,234,157,548,708,816
  5. Step 5: Solve for x
    x = 9,234,157,548,708,816/91,029,081.28
  6. Step 6: Final answer
    x = 101,441,840.55

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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.