Home / 187,718,661.54-259,027,939.13-102,923,467.70

Finding the Fourth Proportional to 187,718,661.54, 259,027,939.13 and 102,923,467.70

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Solution

The fourth proportional to 187,718,661.54, 259,027,939.13 and 102,923,467.70 is: 142,021,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,718,661.54 : 259,027,939.13 = 102,923,467.70 : x
  2. Step 2: Convert to fraction form
    187,718,661.54/259,027,939.13 = 102,923,467.70/x
  3. Step 3: Cross multiply
    187,718,661.54x = 259,027,939.13 × 102,923,467.70
  4. Step 4: Simplify right side
    187,718,661.54x = 26,660,053,724,634,364
  5. Step 5: Solve for x
    x = 26,660,053,724,634,364/187,718,661.54
  6. Step 6: Final answer
    x = 142,021,328.65

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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.