Home / 55,412,128.36-76,468,840.86-30,965,842.36

Finding the Fourth Proportional to 55,412,128.36, 76,468,840.86 and 30,965,842.36

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Solution

The fourth proportional to 55,412,128.36, 76,468,840.86 and 30,965,842.36 is: 42,732,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412,128.36 : 76,468,840.86 = 30,965,842.36 : x
  2. Step 2: Convert to fraction form
    55,412,128.36/76,468,840.86 = 30,965,842.36/x
  3. Step 3: Cross multiply
    55,412,128.36x = 76,468,840.86 × 30,965,842.36
  4. Step 4: Simplify right side
    55,412,128.36x = 2,367,922,071,522,687
  5. Step 5: Solve for x
    x = 2,367,922,071,522,687/55,412,128.36
  6. Step 6: Final answer
    x = 42,732,920.42

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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.