Home / 69,335,857.72-95,683,397.34-38,395,989.64

Finding the Fourth Proportional to 69,335,857.72, 95,683,397.34 and 38,395,989.64

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Solution

The fourth proportional to 69,335,857.72, 95,683,397.34 and 38,395,989.64 is: 52,986,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,335,857.72 : 95,683,397.34 = 38,395,989.64 : x
  2. Step 2: Convert to fraction form
    69,335,857.72/95,683,397.34 = 38,395,989.64/x
  3. Step 3: Cross multiply
    69,335,857.72x = 95,683,397.34 × 38,395,989.64
  4. Step 4: Simplify right side
    69,335,857.72x = 3,673,858,732,986,644
  5. Step 5: Solve for x
    x = 3,673,858,732,986,644/69,335,857.72
  6. Step 6: Final answer
    x = 52,986,417.91

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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.