Home / 55,222,828.61-76,207,733.66-30,442,471.07

Finding the Fourth Proportional to 55,222,828.61, 76,207,733.66 and 30,442,471.07

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Solution

The fourth proportional to 55,222,828.61, 76,207,733.66 and 30,442,471.07 is: 42,010,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222,828.61 : 76,207,733.66 = 30,442,471.07 : x
  2. Step 2: Convert to fraction form
    55,222,828.61/76,207,733.66 = 30,442,471.07/x
  3. Step 3: Cross multiply
    55,222,828.61x = 76,207,733.66 × 30,442,471.07
  4. Step 4: Simplify right side
    55,222,828.61x = 2,319,951,726,721,564.50
  5. Step 5: Solve for x
    x = 2,319,951,726,721,564.50/55,222,828.61
  6. Step 6: Final answer
    x = 42,010,736.96

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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.