Home / 91,857,225-137,737,998.09-43,322,046.47

Finding the Fourth Proportional to 91,857,225, 137,737,998.09 and 43,322,046.47

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Solution

The fourth proportional to 91,857,225, 137,737,998.09 and 43,322,046.47 is: 64,960,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857,225 : 137,737,998.09 = 43,322,046.47 : x
  2. Step 2: Convert to fraction form
    91,857,225/137,737,998.09 = 43,322,046.47/x
  3. Step 3: Cross multiply
    91,857,225x = 137,737,998.09 × 43,322,046.47
  4. Step 4: Simplify right side
    91,857,225x = 5,967,091,953,251,062
  5. Step 5: Solve for x
    x = 5,967,091,953,251,062/91,857,225
  6. Step 6: Final answer
    x = 64,960,507.50

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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.