Home / 98,561,514.68-147,830,976.90-25,785,318.32

Finding the Fourth Proportional to 98,561,514.68, 147,830,976.90 and 25,785,318.32

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Solution

The fourth proportional to 98,561,514.68, 147,830,976.90 and 25,785,318.32 is: 38,675,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,561,514.68 : 147,830,976.90 = 25,785,318.32 : x
  2. Step 2: Convert to fraction form
    98,561,514.68/147,830,976.90 = 25,785,318.32/x
  3. Step 3: Cross multiply
    98,561,514.68x = 147,830,976.90 × 25,785,318.32
  4. Step 4: Simplify right side
    98,561,514.68x = 3,811,868,796,923,067
  5. Step 5: Solve for x
    x = 3,811,868,796,923,067/98,561,514.68
  6. Step 6: Final answer
    x = 38,675,022.49

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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.