Home / 80,922,170.32-111,681,249.06-49,581,018.52

Finding the Fourth Proportional to 80,922,170.32, 111,681,249.06 and 49,581,018.52

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Solution

The fourth proportional to 80,922,170.32, 111,681,249.06 and 49,581,018.52 is: 68,427,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922,170.32 : 111,681,249.06 = 49,581,018.52 : x
  2. Step 2: Convert to fraction form
    80,922,170.32/111,681,249.06 = 49,581,018.52/x
  3. Step 3: Cross multiply
    80,922,170.32x = 111,681,249.06 × 49,581,018.52
  4. Step 4: Simplify right side
    80,922,170.32x = 5,537,270,077,980,593
  5. Step 5: Solve for x
    x = 5,537,270,077,980,593/80,922,170.32
  6. Step 6: Final answer
    x = 68,427,107.88

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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.