Home / 187,240,920.08-280,760,393.88-84,949,145.36

Finding the Fourth Proportional to 187,240,920.08, 280,760,393.88 and 84,949,145.36

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Solution

The fourth proportional to 187,240,920.08, 280,760,393.88 and 84,949,145.36 is: 127,377,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,240,920.08 : 280,760,393.88 = 84,949,145.36 : x
  2. Step 2: Convert to fraction form
    187,240,920.08/280,760,393.88 = 84,949,145.36/x
  3. Step 3: Cross multiply
    187,240,920.08x = 280,760,393.88 × 84,949,145.36
  4. Step 4: Simplify right side
    187,240,920.08x = 23,850,355,511,042,972
  5. Step 5: Solve for x
    x = 23,850,355,511,042,972/187,240,920.08
  6. Step 6: Final answer
    x = 127,377,901.69

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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.