Home / 119,555,135.78-164,980,989.81-66,629,027.16

Finding the Fourth Proportional to 119,555,135.78, 164,980,989.81 and 66,629,027.16

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Solution

The fourth proportional to 119,555,135.78, 164,980,989.81 and 66,629,027.16 is: 91,945,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555,135.78 : 164,980,989.81 = 66,629,027.16 : x
  2. Step 2: Convert to fraction form
    119,555,135.78/164,980,989.81 = 66,629,027.16/x
  3. Step 3: Cross multiply
    119,555,135.78x = 164,980,989.81 × 66,629,027.16
  4. Step 4: Simplify right side
    119,555,135.78x = 10,992,522,850,934,172
  5. Step 5: Solve for x
    x = 10,992,522,850,934,172/119,555,135.78
  6. Step 6: Final answer
    x = 91,945,216.57

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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.