Home / 77,879,804.85-107,507,222.78-48,525,640.66

Finding the Fourth Proportional to 77,879,804.85, 107,507,222.78 and 48,525,640.66

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Solution

The fourth proportional to 77,879,804.85, 107,507,222.78 and 48,525,640.66 is: 66,986,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,879,804.85 : 107,507,222.78 = 48,525,640.66 : x
  2. Step 2: Convert to fraction form
    77,879,804.85/107,507,222.78 = 48,525,640.66/x
  3. Step 3: Cross multiply
    77,879,804.85x = 107,507,222.78 × 48,525,640.66
  4. Step 4: Simplify right side
    77,879,804.85x = 5,216,856,860,976,846
  5. Step 5: Solve for x
    x = 5,216,856,860,976,846/77,879,804.85
  6. Step 6: Final answer
    x = 66,986,003.25

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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.