Home / 65,661,750.71-90,613,576.97-35,892,443.87

Finding the Fourth Proportional to 65,661,750.71, 90,613,576.97 and 35,892,443.87

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Solution

The fourth proportional to 65,661,750.71, 90,613,576.97 and 35,892,443.87 is: 49,531,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,661,750.71 : 90,613,576.97 = 35,892,443.87 : x
  2. Step 2: Convert to fraction form
    65,661,750.71/90,613,576.97 = 35,892,443.87/x
  3. Step 3: Cross multiply
    65,661,750.71x = 90,613,576.97 × 35,892,443.87
  4. Step 4: Simplify right side
    65,661,750.71x = 3,252,342,724,623,120
  5. Step 5: Solve for x
    x = 3,252,342,724,623,120/65,661,750.71
  6. Step 6: Final answer
    x = 49,531,769.86

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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.