Home / 108,832,138.32-150,162,267.24-61,778,745.84

Finding the Fourth Proportional to 108,832,138.32, 150,162,267.24 and 61,778,745.84

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Solution

The fourth proportional to 108,832,138.32, 150,162,267.24 and 61,778,745.84 is: 85,239,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,832,138.32 : 150,162,267.24 = 61,778,745.84 : x
  2. Step 2: Convert to fraction form
    108,832,138.32/150,162,267.24 = 61,778,745.84/x
  3. Step 3: Cross multiply
    108,832,138.32x = 150,162,267.24 × 61,778,745.84
  4. Step 4: Simplify right side
    108,832,138.32x = 9,276,836,542,578,120
  5. Step 5: Solve for x
    x = 9,276,836,542,578,120/108,832,138.32
  6. Step 6: Final answer
    x = 85,239,862.84

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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.