Home / 120,439,429.67-166,206,412.92-68,228,465.33

Finding the Fourth Proportional to 120,439,429.67, 166,206,412.92 and 68,228,465.33

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Solution

The fourth proportional to 120,439,429.67, 166,206,412.92 and 68,228,465.33 is: 94,155,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,439,429.67 : 166,206,412.92 = 68,228,465.33 : x
  2. Step 2: Convert to fraction form
    120,439,429.67/166,206,412.92 = 68,228,465.33/x
  3. Step 3: Cross multiply
    120,439,429.67x = 166,206,412.92 × 68,228,465.33
  4. Step 4: Simplify right side
    120,439,429.67x = 11,340,008,481,583,984
  5. Step 5: Solve for x
    x = 11,340,008,481,583,984/120,439,429.67
  6. Step 6: Final answer
    x = 94,155,282.14

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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.