Home / 77,204,942.40-115,807,413.60-26,086,223.10

Finding the Fourth Proportional to 77,204,942.40, 115,807,413.60 and 26,086,223.10

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Solution

The fourth proportional to 77,204,942.40, 115,807,413.60 and 26,086,223.10 is: 39,129,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,204,942.40 : 115,807,413.60 = 26,086,223.10 : x
  2. Step 2: Convert to fraction form
    77,204,942.40/115,807,413.60 = 26,086,223.10/x
  3. Step 3: Cross multiply
    77,204,942.40x = 115,807,413.60 × 26,086,223.10
  4. Step 4: Simplify right side
    77,204,942.40x = 3,020,978,027,803,574
  5. Step 5: Solve for x
    x = 3,020,978,027,803,574/77,204,942.40
  6. Step 6: Final answer
    x = 39,129,334.65

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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.