Home / 65,741,133.38-90,725,434.56-36,371,987.61

Finding the Fourth Proportional to 65,741,133.38, 90,725,434.56 and 36,371,987.61

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Solution

The fourth proportional to 65,741,133.38, 90,725,434.56 and 36,371,987.61 is: 50,194,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741,133.38 : 90,725,434.56 = 36,371,987.61 : x
  2. Step 2: Convert to fraction form
    65,741,133.38/90,725,434.56 = 36,371,987.61/x
  3. Step 3: Cross multiply
    65,741,133.38x = 90,725,434.56 × 36,371,987.61
  4. Step 4: Simplify right side
    65,741,133.38x = 3,299,864,381,728,186
  5. Step 5: Solve for x
    x = 3,299,864,381,728,186/65,741,133.38
  6. Step 6: Final answer
    x = 50,194,820.38

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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.