Home / 165,582,381.20-248,373,571.80-164,448,640.40

Finding the Fourth Proportional to 165,582,381.20, 248,373,571.80 and 164,448,640.40

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Solution

The fourth proportional to 165,582,381.20, 248,373,571.80 and 164,448,640.40 is: 246,672,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,582,381.20 : 248,373,571.80 = 164,448,640.40 : x
  2. Step 2: Convert to fraction form
    165,582,381.20/248,373,571.80 = 164,448,640.40/x
  3. Step 3: Cross multiply
    165,582,381.20x = 248,373,571.80 × 164,448,640.40
  4. Step 4: Simplify right side
    165,582,381.20x = 40,844,696,193,801,784
  5. Step 5: Solve for x
    x = 40,844,696,193,801,784/165,582,381.20
  6. Step 6: Final answer
    x = 246,672,960.60

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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.