Home / 104,079,291.78-143,629,591.46-57,028,888.64

Finding the Fourth Proportional to 104,079,291.78, 143,629,591.46 and 57,028,888.64

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Solution

The fourth proportional to 104,079,291.78, 143,629,591.46 and 57,028,888.64 is: 78,699,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079,291.78 : 143,629,591.46 = 57,028,888.64 : x
  2. Step 2: Convert to fraction form
    104,079,291.78/143,629,591.46 = 57,028,888.64/x
  3. Step 3: Cross multiply
    104,079,291.78x = 143,629,591.46 × 57,028,888.64
  4. Step 4: Simplify right side
    104,079,291.78x = 8,191,035,976,781,036
  5. Step 5: Solve for x
    x = 8,191,035,976,781,036/104,079,291.78
  6. Step 6: Final answer
    x = 78,699,958.82

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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.