Home / 91,692,694.34-137,509,861.44-30,270,416.61

Finding the Fourth Proportional to 91,692,694.34, 137,509,861.44 and 30,270,416.61

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Solution

The fourth proportional to 91,692,694.34, 137,509,861.44 and 30,270,416.61 is: 45,395,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,692,694.34 : 137,509,861.44 = 30,270,416.61 : x
  2. Step 2: Convert to fraction form
    91,692,694.34/137,509,861.44 = 30,270,416.61/x
  3. Step 3: Cross multiply
    91,692,694.34x = 137,509,861.44 × 30,270,416.61
  4. Step 4: Simplify right side
    91,692,694.34x = 4,162,480,793,772,174.50
  5. Step 5: Solve for x
    x = 4,162,480,793,772,174.50/91,692,694.34
  6. Step 6: Final answer
    x = 45,395,991.73

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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.