Home / 82,027,667.76-113,195,942.02-45,356,984.88

Finding the Fourth Proportional to 82,027,667.76, 113,195,942.02 and 45,356,984.88

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Solution

The fourth proportional to 82,027,667.76, 113,195,942.02 and 45,356,984.88 is: 62,591,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,027,667.76 : 113,195,942.02 = 45,356,984.88 : x
  2. Step 2: Convert to fraction form
    82,027,667.76/113,195,942.02 = 45,356,984.88/x
  3. Step 3: Cross multiply
    82,027,667.76x = 113,195,942.02 × 45,356,984.88
  4. Step 4: Simplify right side
    82,027,667.76x = 5,134,226,630,055,802
  5. Step 5: Solve for x
    x = 5,134,226,630,055,802/82,027,667.76
  6. Step 6: Final answer
    x = 62,591,400.81

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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.