Home / 82,170,626.32-113,394,070.12-45,500,410

Finding the Fourth Proportional to 82,170,626.32, 113,394,070.12 and 45,500,410

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Solution

The fourth proportional to 82,170,626.32, 113,394,070.12 and 45,500,410 is: 62,789,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170,626.32 : 113,394,070.12 = 45,500,410 : x
  2. Step 2: Convert to fraction form
    82,170,626.32/113,394,070.12 = 45,500,410/x
  3. Step 3: Cross multiply
    82,170,626.32x = 113,394,070.12 × 45,500,410
  4. Step 4: Simplify right side
    82,170,626.32x = 5,159,476,682,028,749
  5. Step 5: Solve for x
    x = 5,159,476,682,028,749/82,170,626.32
  6. Step 6: Final answer
    x = 62,789,793.79

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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.