Home / 138,813,763.37-191,451,295.89-122,032,623.44

Finding the Fourth Proportional to 138,813,763.37, 191,451,295.89 and 122,032,623.44

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Solution

The fourth proportional to 138,813,763.37, 191,451,295.89 and 122,032,623.44 is: 168,306,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,813,763.37 : 191,451,295.89 = 122,032,623.44 : x
  2. Step 2: Convert to fraction form
    138,813,763.37/191,451,295.89 = 122,032,623.44/x
  3. Step 3: Cross multiply
    138,813,763.37x = 191,451,295.89 × 122,032,623.44
  4. Step 4: Simplify right side
    138,813,763.37x = 23,363,303,898,923,016
  5. Step 5: Solve for x
    x = 23,363,303,898,923,016/138,813,763.37
  6. Step 6: Final answer
    x = 168,306,825.87

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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.