Home / 320,589,126.69-442,413,846.59-173,911,410.69

Finding the Fourth Proportional to 320,589,126.69, 442,413,846.59 and 173,911,410.69

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Solution

The fourth proportional to 320,589,126.69, 442,413,846.59 and 173,911,410.69 is: 239,998,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,589,126.69 : 442,413,846.59 = 173,911,410.69 : x
  2. Step 2: Convert to fraction form
    320,589,126.69/442,413,846.59 = 173,911,410.69/x
  3. Step 3: Cross multiply
    320,589,126.69x = 442,413,846.59 × 173,911,410.69
  4. Step 4: Simplify right side
    320,589,126.69x = 76,940,816,168,386,592
  5. Step 5: Solve for x
    x = 76,940,816,168,386,592/320,589,126.69
  6. Step 6: Final answer
    x = 239,998,208.81

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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.