Home / 187,398,761.70-280,724,894.55-164,954,115.30

Finding the Fourth Proportional to 187,398,761.70, 280,724,894.55 and 164,954,115.30

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Solution

The fourth proportional to 187,398,761.70, 280,724,894.55 and 164,954,115.30 is: 247,102,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,398,761.70 : 280,724,894.55 = 164,954,115.30 : x
  2. Step 2: Convert to fraction form
    187,398,761.70/280,724,894.55 = 164,954,115.30/x
  3. Step 3: Cross multiply
    187,398,761.70x = 280,724,894.55 × 164,954,115.30
  4. Step 4: Simplify right side
    187,398,761.70x = 46,306,726,623,181,048
  5. Step 5: Solve for x
    x = 46,306,726,623,181,048/187,398,761.70
  6. Step 6: Final answer
    x = 247,102,628.66

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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.