Home / 82,728,230.10-124,092,345.15-54,987,009.90

Finding the Fourth Proportional to 82,728,230.10, 124,092,345.15 and 54,987,009.90

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Solution

The fourth proportional to 82,728,230.10, 124,092,345.15 and 54,987,009.90 is: 82,480,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728,230.10 : 124,092,345.15 = 54,987,009.90 : x
  2. Step 2: Convert to fraction form
    82,728,230.10/124,092,345.15 = 54,987,009.90/x
  3. Step 3: Cross multiply
    82,728,230.10x = 124,092,345.15 × 54,987,009.90
  4. Step 4: Simplify right side
    82,728,230.10x = 6,823,467,011,277,267
  5. Step 5: Solve for x
    x = 6,823,467,011,277,267/82,728,230.10
  6. Step 6: Final answer
    x = 82,480,514.85

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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.