Home / 76,309,081.61-114,501,481.83-30,249,977.09

Finding the Fourth Proportional to 76,309,081.61, 114,501,481.83 and 30,249,977.09

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Solution

The fourth proportional to 76,309,081.61, 114,501,481.83 and 30,249,977.09 is: 45,389,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,309,081.61 : 114,501,481.83 = 30,249,977.09 : x
  2. Step 2: Convert to fraction form
    76,309,081.61/114,501,481.83 = 30,249,977.09/x
  3. Step 3: Cross multiply
    76,309,081.61x = 114,501,481.83 × 30,249,977.09
  4. Step 4: Simplify right side
    76,309,081.61x = 3,463,667,202,128,551
  5. Step 5: Solve for x
    x = 3,463,667,202,128,551/76,309,081.61
  6. Step 6: Final answer
    x = 45,389,973.63

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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.