Home / 456,949,690.25-685,391,010.17-145,973,809.17

Finding the Fourth Proportional to 456,949,690.25, 685,391,010.17 and 145,973,809.17

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Solution

The fourth proportional to 456,949,690.25, 685,391,010.17 and 145,973,809.17 is: 218,950,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,949,690.25 : 685,391,010.17 = 145,973,809.17 : x
  2. Step 2: Convert to fraction form
    456,949,690.25/685,391,010.17 = 145,973,809.17/x
  3. Step 3: Cross multiply
    456,949,690.25x = 685,391,010.17 × 145,973,809.17
  4. Step 4: Simplify right side
    456,949,690.25x = 100,049,136,524,659,232
  5. Step 5: Solve for x
    x = 100,049,136,524,659,232/456,949,690.25
  6. Step 6: Final answer
    x = 218,950,004.04

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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.