Home / 82,995,993.36-123,955,893.12-75,199,330.21

Finding the Fourth Proportional to 82,995,993.36, 123,955,893.12 and 75,199,330.21

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Solution

The fourth proportional to 82,995,993.36, 123,955,893.12 and 75,199,330.21 is: 112,311,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,995,993.36 : 123,955,893.12 = 75,199,330.21 : x
  2. Step 2: Convert to fraction form
    82,995,993.36/123,955,893.12 = 75,199,330.21/x
  3. Step 3: Cross multiply
    82,995,993.36x = 123,955,893.12 × 75,199,330.21
  4. Step 4: Simplify right side
    82,995,993.36x = 9,321,400,138,725,182
  5. Step 5: Solve for x
    x = 9,321,400,138,725,182/82,995,993.36
  6. Step 6: Final answer
    x = 112,311,447.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.