Home / 91,067,410.40-136,610,684.54-29,661,350.78

Finding the Fourth Proportional to 91,067,410.40, 136,610,684.54 and 29,661,350.78

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Solution

The fourth proportional to 91,067,410.40, 136,610,684.54 and 29,661,350.78 is: 44,495,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,067,410.40 : 136,610,684.54 = 29,661,350.78 : x
  2. Step 2: Convert to fraction form
    91,067,410.40/136,610,684.54 = 29,661,350.78/x
  3. Step 3: Cross multiply
    91,067,410.40x = 136,610,684.54 × 29,661,350.78
  4. Step 4: Simplify right side
    91,067,410.40x = 4,052,057,433,605,502.50
  5. Step 5: Solve for x
    x = 4,052,057,433,605,502.50/91,067,410.40
  6. Step 6: Final answer
    x = 44,495,142.84

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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.