Home / 101,189,028.70-139,640,906.30-54,779,282.61

Finding the Fourth Proportional to 101,189,028.70, 139,640,906.30 and 54,779,282.61

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Solution

The fourth proportional to 101,189,028.70, 139,640,906.30 and 54,779,282.61 is: 75,595,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,028.70 : 139,640,906.30 = 54,779,282.61 : x
  2. Step 2: Convert to fraction form
    101,189,028.70/139,640,906.30 = 54,779,282.61/x
  3. Step 3: Cross multiply
    101,189,028.70x = 139,640,906.30 × 54,779,282.61
  4. Step 4: Simplify right side
    101,189,028.70x = 7,649,428,670,124,230
  5. Step 5: Solve for x
    x = 7,649,428,670,124,230/101,189,028.70
  6. Step 6: Final answer
    x = 75,595,435.28

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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.