Home / 115,791,745.36-173,661,081.72-69,118,407.76

Finding the Fourth Proportional to 115,791,745.36, 173,661,081.72 and 69,118,407.76

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Solution

The fourth proportional to 115,791,745.36, 173,661,081.72 and 69,118,407.76 is: 103,661,771.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,791,745.36 : 173,661,081.72 = 69,118,407.76 : x
  2. Step 2: Convert to fraction form
    115,791,745.36/173,661,081.72 = 69,118,407.76/x
  3. Step 3: Cross multiply
    115,791,745.36x = 173,661,081.72 × 69,118,407.76
  4. Step 4: Simplify right side
    115,791,745.36x = 12,003,177,458,365,642
  5. Step 5: Solve for x
    x = 12,003,177,458,365,642/115,791,745.36
  6. Step 6: Final answer
    x = 103,661,771.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.