Home / 77,879,793.32-107,507,206.92-48,525,629.12

Finding the Fourth Proportional to 77,879,793.32, 107,507,206.92 and 48,525,629.12

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Solution

The fourth proportional to 77,879,793.32, 107,507,206.92 and 48,525,629.12 is: 66,985,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,879,793.32 : 107,507,206.92 = 48,525,629.12 : x
  2. Step 2: Convert to fraction form
    77,879,793.32/107,507,206.92 = 48,525,629.12/x
  3. Step 3: Cross multiply
    77,879,793.32x = 107,507,206.92 × 48,525,629.12
  4. Step 4: Simplify right side
    77,879,793.32x = 5,216,854,850,727,017
  5. Step 5: Solve for x
    x = 5,216,854,850,727,017/77,879,793.32
  6. Step 6: Final answer
    x = 66,985,987.36

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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.