Home / 101,189,032.67-139,640,911.79-54,779,286.57

Finding the Fourth Proportional to 101,189,032.67, 139,640,911.79 and 54,779,286.57

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Solution

The fourth proportional to 101,189,032.67, 139,640,911.79 and 54,779,286.57 is: 75,595,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,032.67 : 139,640,911.79 = 54,779,286.57 : x
  2. Step 2: Convert to fraction form
    101,189,032.67/139,640,911.79 = 54,779,286.57/x
  3. Step 3: Cross multiply
    101,189,032.67x = 139,640,911.79 × 54,779,286.57
  4. Step 4: Simplify right side
    101,189,032.67x = 7,649,429,524,193,243
  5. Step 5: Solve for x
    x = 7,649,429,524,193,243/101,189,032.67
  6. Step 6: Final answer
    x = 75,595,440.76

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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.