Home / 65,741,135.38-90,725,437.32-36,371,989.62

Finding the Fourth Proportional to 65,741,135.38, 90,725,437.32 and 36,371,989.62

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Solution

The fourth proportional to 65,741,135.38, 90,725,437.32 and 36,371,989.62 is: 50,194,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741,135.38 : 90,725,437.32 = 36,371,989.62 : x
  2. Step 2: Convert to fraction form
    65,741,135.38/90,725,437.32 = 36,371,989.62/x
  3. Step 3: Cross multiply
    65,741,135.38x = 90,725,437.32 × 36,371,989.62
  4. Step 4: Simplify right side
    65,741,135.38x = 3,299,864,664,473,000
  5. Step 5: Solve for x
    x = 3,299,864,664,473,000/65,741,135.38
  6. Step 6: Final answer
    x = 50,194,823.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.