Home / 91,497,725.88-137,251,002.91-30,085,524.96

Finding the Fourth Proportional to 91,497,725.88, 137,251,002.91 and 30,085,524.96

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Solution

The fourth proportional to 91,497,725.88, 137,251,002.91 and 30,085,524.96 is: 45,129,738.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,725.88 : 137,251,002.91 = 30,085,524.96 : x
  2. Step 2: Convert to fraction form
    91,497,725.88/137,251,002.91 = 30,085,524.96/x
  3. Step 3: Cross multiply
    91,497,725.88x = 137,251,002.91 × 30,085,524.96
  4. Step 4: Simplify right side
    91,497,725.88x = 4,129,268,473,833,837.50
  5. Step 5: Solve for x
    x = 4,129,268,473,833,837.50/91,497,725.88
  6. Step 6: Final answer
    x = 45,129,738.84

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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.