Home / 112,113,535.66-168,179,107.38-30,231,181.20

Finding the Fourth Proportional to 112,113,535.66, 168,179,107.38 and 30,231,181.20

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Solution

The fourth proportional to 112,113,535.66, 168,179,107.38 and 30,231,181.20 is: 45,349,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,113,535.66 : 168,179,107.38 = 30,231,181.20 : x
  2. Step 2: Convert to fraction form
    112,113,535.66/168,179,107.38 = 30,231,181.20/x
  3. Step 3: Cross multiply
    112,113,535.66x = 168,179,107.38 × 30,231,181.20
  4. Step 4: Simplify right side
    112,113,535.66x = 5,084,253,069,259,037
  5. Step 5: Solve for x
    x = 5,084,253,069,259,037/112,113,535.66
  6. Step 6: Final answer
    x = 45,349,145.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.