Home / 288,632,579.98-398,297,619.78-163,177,275.16

Finding the Fourth Proportional to 288,632,579.98, 398,297,619.78 and 163,177,275.16

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Solution

The fourth proportional to 288,632,579.98, 398,297,619.78 and 163,177,275.16 is: 225,175,966.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,632,579.98 : 398,297,619.78 = 163,177,275.16 : x
  2. Step 2: Convert to fraction form
    288,632,579.98/398,297,619.78 = 163,177,275.16/x
  3. Step 3: Cross multiply
    288,632,579.98x = 398,297,619.78 × 163,177,275.16
  4. Step 4: Simplify right side
    288,632,579.98x = 64,993,120,296,422,624
  5. Step 5: Solve for x
    x = 64,993,120,296,422,624/288,632,579.98
  6. Step 6: Final answer
    x = 225,175,966.97

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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.