Home / 85,310,163.36-117,742,103.28-52,288,781.04

Finding the Fourth Proportional to 85,310,163.36, 117,742,103.28 and 52,288,781.04

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Solution

The fourth proportional to 85,310,163.36, 117,742,103.28 and 52,288,781.04 is: 72,167,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,310,163.36 : 117,742,103.28 = 52,288,781.04 : x
  2. Step 2: Convert to fraction form
    85,310,163.36/117,742,103.28 = 52,288,781.04/x
  3. Step 3: Cross multiply
    85,310,163.36x = 117,742,103.28 × 52,288,781.04
  4. Step 4: Simplify right side
    85,310,163.36x = 6,156,591,057,596,986
  5. Step 5: Solve for x
    x = 6,156,591,057,596,986/85,310,163.36
  6. Step 6: Final answer
    x = 72,167,146.51

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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.