Home / 84,141,678.97-126,217,111.16-26,629,658.83

Finding the Fourth Proportional to 84,141,678.97, 126,217,111.16 and 26,629,658.83

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Solution

The fourth proportional to 84,141,678.97, 126,217,111.16 and 26,629,658.83 is: 39,945,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141,678.97 : 126,217,111.16 = 26,629,658.83 : x
  2. Step 2: Convert to fraction form
    84,141,678.97/126,217,111.16 = 26,629,658.83/x
  3. Step 3: Cross multiply
    84,141,678.97x = 126,217,111.16 × 26,629,658.83
  4. Step 4: Simplify right side
    84,141,678.97x = 3,361,118,608,250,294.50
  5. Step 5: Solve for x
    x = 3,361,118,608,250,294.50/84,141,678.97
  6. Step 6: Final answer
    x = 39,945,941.77

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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.