Home / 255,995,681.32-352,940,514.42-163,142,309.80

Finding the Fourth Proportional to 255,995,681.32, 352,940,514.42 and 163,142,309.80

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Solution

The fourth proportional to 255,995,681.32, 352,940,514.42 and 163,142,309.80 is: 224,923,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,995,681.32 : 352,940,514.42 = 163,142,309.80 : x
  2. Step 2: Convert to fraction form
    255,995,681.32/352,940,514.42 = 163,142,309.80/x
  3. Step 3: Cross multiply
    255,995,681.32x = 352,940,514.42 × 163,142,309.80
  4. Step 4: Simplify right side
    255,995,681.32x = 57,579,530,744,479,016
  5. Step 5: Solve for x
    x = 57,579,530,744,479,016/255,995,681.32
  6. Step 6: Final answer
    x = 224,923,836.40

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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.