Home / 55,222,434.52-76,207,190.51-30,442,078.80

Finding the Fourth Proportional to 55,222,434.52, 76,207,190.51 and 30,442,078.80

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Solution

The fourth proportional to 55,222,434.52, 76,207,190.51 and 30,442,078.80 is: 42,010,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222,434.52 : 76,207,190.51 = 30,442,078.80 : x
  2. Step 2: Convert to fraction form
    55,222,434.52/76,207,190.51 = 30,442,078.80/x
  3. Step 3: Cross multiply
    55,222,434.52x = 76,207,190.51 × 30,442,078.80
  4. Step 4: Simplify right side
    55,222,434.52x = 2,319,905,298,868,858.50
  5. Step 5: Solve for x
    x = 2,319,905,298,868,858.50/55,222,434.52
  6. Step 6: Final answer
    x = 42,010,196.02

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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.