Home / 55,222,828.09-76,207,732.94-30,442,470.55

Finding the Fourth Proportional to 55,222,828.09, 76,207,732.94 and 30,442,470.55

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Solution

The fourth proportional to 55,222,828.09, 76,207,732.94 and 30,442,470.55 is: 42,010,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222,828.09 : 76,207,732.94 = 30,442,470.55 : x
  2. Step 2: Convert to fraction form
    55,222,828.09/76,207,732.94 = 30,442,470.55/x
  3. Step 3: Cross multiply
    55,222,828.09x = 76,207,732.94 × 30,442,470.55
  4. Step 4: Simplify right side
    55,222,828.09x = 2,319,951,665,593,801.50
  5. Step 5: Solve for x
    x = 2,319,951,665,593,801.50/55,222,828.09
  6. Step 6: Final answer
    x = 42,010,736.25

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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.