Home / 91,857,226.25-137,737,999.96-43,322,047.72

Finding the Fourth Proportional to 91,857,226.25, 137,737,999.96 and 43,322,047.72

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Solution

The fourth proportional to 91,857,226.25, 137,737,999.96 and 43,322,047.72 is: 64,960,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857,226.25 : 137,737,999.96 = 43,322,047.72 : x
  2. Step 2: Convert to fraction form
    91,857,226.25/137,737,999.96 = 43,322,047.72/x
  3. Step 3: Cross multiply
    91,857,226.25x = 137,737,999.96 × 43,322,047.72
  4. Step 4: Simplify right side
    91,857,226.25x = 5,967,092,207,124,478
  5. Step 5: Solve for x
    x = 5,967,092,207,124,478/91,857,226.25
  6. Step 6: Final answer
    x = 64,960,509.38

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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.