Home / 129,374,292.60-193,965,721.20-61,137,268.20

Finding the Fourth Proportional to 129,374,292.60, 193,965,721.20 and 61,137,268.20

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Solution

The fourth proportional to 129,374,292.60, 193,965,721.20 and 61,137,268.20 is: 91,660,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,374,292.60 : 193,965,721.20 = 61,137,268.20 : x
  2. Step 2: Convert to fraction form
    129,374,292.60/193,965,721.20 = 61,137,268.20/x
  3. Step 3: Cross multiply
    129,374,292.60x = 193,965,721.20 × 61,137,268.20
  4. Step 4: Simplify right side
    129,374,292.60x = 11,858,534,318,610,826
  5. Step 5: Solve for x
    x = 11,858,534,318,610,826/129,374,292.60
  6. Step 6: Final answer
    x = 91,660,669.83

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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.