Home / 65,741,134.88-90,725,436.63-36,371,989.12

Finding the Fourth Proportional to 65,741,134.88, 90,725,436.63 and 36,371,989.12

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Solution

The fourth proportional to 65,741,134.88, 90,725,436.63 and 36,371,989.12 is: 50,194,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741,134.88 : 90,725,436.63 = 36,371,989.12 : x
  2. Step 2: Convert to fraction form
    65,741,134.88/90,725,436.63 = 36,371,989.12/x
  3. Step 3: Cross multiply
    65,741,134.88x = 90,725,436.63 × 36,371,989.12
  4. Step 4: Simplify right side
    65,741,134.88x = 3,299,864,594,013,609
  5. Step 5: Solve for x
    x = 3,299,864,594,013,609/65,741,134.88
  6. Step 6: Final answer
    x = 50,194,822.47

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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.