Home / 67,009,105.54-100,519,447.80-18,486,959.40

Finding the Fourth Proportional to 67,009,105.54, 100,519,447.80 and 18,486,959.40

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Solution

The fourth proportional to 67,009,105.54, 100,519,447.80 and 18,486,959.40 is: 27,732,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,009,105.54 : 100,519,447.80 = 18,486,959.40 : x
  2. Step 2: Convert to fraction form
    67,009,105.54/100,519,447.80 = 18,486,959.40/x
  3. Step 3: Cross multiply
    67,009,105.54x = 100,519,447.80 × 18,486,959.40
  4. Step 4: Simplify right side
    67,009,105.54x = 1,858,298,950,458,345.25
  5. Step 5: Solve for x
    x = 1,858,298,950,458,345.25/67,009,105.54
  6. Step 6: Final answer
    x = 27,732,036.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.