Home / 257,976,625.92-356,039,792.94-146,503,274.12

Finding the Fourth Proportional to 257,976,625.92, 356,039,792.94 and 146,503,274.12

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Solution

The fourth proportional to 257,976,625.92, 356,039,792.94 and 146,503,274.12 is: 202,192,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,976,625.92 : 356,039,792.94 = 146,503,274.12 : x
  2. Step 2: Convert to fraction form
    257,976,625.92/356,039,792.94 = 146,503,274.12/x
  3. Step 3: Cross multiply
    257,976,625.92x = 356,039,792.94 × 146,503,274.12
  4. Step 4: Simplify right side
    257,976,625.92x = 52,160,995,382,716,864
  5. Step 5: Solve for x
    x = 52,160,995,382,716,864/257,976,625.92
  6. Step 6: Final answer
    x = 202,192,718.80

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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.