Home / 120,100,087.08-165,738,413.70-65,095,888.68

Finding the Fourth Proportional to 120,100,087.08, 165,738,413.70 and 65,095,888.68

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Solution

The fourth proportional to 120,100,087.08, 165,738,413.70 and 65,095,888.68 is: 89,832,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,100,087.08 : 165,738,413.70 = 65,095,888.68 : x
  2. Step 2: Convert to fraction form
    120,100,087.08/165,738,413.70 = 65,095,888.68/x
  3. Step 3: Cross multiply
    120,100,087.08x = 165,738,413.70 × 65,095,888.68
  4. Step 4: Simplify right side
    120,100,087.08x = 10,788,889,328,214,986
  5. Step 5: Solve for x
    x = 10,788,889,328,214,986/120,100,087.08
  6. Step 6: Final answer
    x = 89,832,485.48

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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.