Home / 112,101,838.82-154,700,633.87-62,542,220.21

Finding the Fourth Proportional to 112,101,838.82, 154,700,633.87 and 62,542,220.21

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Solution

The fourth proportional to 112,101,838.82, 154,700,633.87 and 62,542,220.21 is: 86,308,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,838.82 : 154,700,633.87 = 62,542,220.21 : x
  2. Step 2: Convert to fraction form
    112,101,838.82/154,700,633.87 = 62,542,220.21/x
  3. Step 3: Cross multiply
    112,101,838.82x = 154,700,633.87 × 62,542,220.21
  4. Step 4: Simplify right side
    112,101,838.82x = 9,675,321,109,852,262
  5. Step 5: Solve for x
    x = 9,675,321,109,852,262/112,101,838.82
  6. Step 6: Final answer
    x = 86,308,317.61

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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.