Home / 101,189,009.40-139,640,879.97-54,779,263.26

Finding the Fourth Proportional to 101,189,009.40, 139,640,879.97 and 54,779,263.26

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Solution

The fourth proportional to 101,189,009.40, 139,640,879.97 and 54,779,263.26 is: 75,595,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,189,009.40 : 139,640,879.97 = 54,779,263.26 : x
  2. Step 2: Convert to fraction form
    101,189,009.40/139,640,879.97 = 54,779,263.26/x
  3. Step 3: Cross multiply
    101,189,009.40x = 139,640,879.97 × 54,779,263.26
  4. Step 4: Simplify right side
    101,189,009.40x = 7,649,424,525,734,691
  5. Step 5: Solve for x
    x = 7,649,424,525,734,691/101,189,009.40
  6. Step 6: Final answer
    x = 75,595,408.74

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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.