Home / 122,243,648.39-168,680,923.42-82,637,354.66

Finding the Fourth Proportional to 122,243,648.39, 168,680,923.42 and 82,637,354.66

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Solution

The fourth proportional to 122,243,648.39, 168,680,923.42 and 82,637,354.66 is: 114,029,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,243,648.39 : 168,680,923.42 = 82,637,354.66 : x
  2. Step 2: Convert to fraction form
    122,243,648.39/168,680,923.42 = 82,637,354.66/x
  3. Step 3: Cross multiply
    122,243,648.39x = 168,680,923.42 × 82,637,354.66
  4. Step 4: Simplify right side
    122,243,648.39x = 13,939,345,292,621,652
  5. Step 5: Solve for x
    x = 13,939,345,292,621,652/122,243,648.39
  6. Step 6: Final answer
    x = 114,029,198.87

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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.