Home / 135,694,298.88-203,027,831.04-80,391,836.16

Finding the Fourth Proportional to 135,694,298.88, 203,027,831.04 and 80,391,836.16

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Solution

The fourth proportional to 135,694,298.88, 203,027,831.04 and 80,391,836.16 is: 120,283,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,694,298.88 : 203,027,831.04 = 80,391,836.16 : x
  2. Step 2: Convert to fraction form
    135,694,298.88/203,027,831.04 = 80,391,836.16/x
  3. Step 3: Cross multiply
    135,694,298.88x = 203,027,831.04 × 80,391,836.16
  4. Step 4: Simplify right side
    135,694,298.88x = 16,321,780,128,887,842
  5. Step 5: Solve for x
    x = 16,321,780,128,887,842/135,694,298.88
  6. Step 6: Final answer
    x = 120,283,462.63

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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.