Home / 76,804,907.20-115,207,360.80-50,976,874.60

Finding the Fourth Proportional to 76,804,907.20, 115,207,360.80 and 50,976,874.60

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Solution

The fourth proportional to 76,804,907.20, 115,207,360.80 and 50,976,874.60 is: 76,465,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,804,907.20 : 115,207,360.80 = 50,976,874.60 : x
  2. Step 2: Convert to fraction form
    76,804,907.20/115,207,360.80 = 50,976,874.60/x
  3. Step 3: Cross multiply
    76,804,907.20x = 115,207,360.80 × 50,976,874.60
  4. Step 4: Simplify right side
    76,804,907.20x = 5,872,911,184,498,556
  5. Step 5: Solve for x
    x = 5,872,911,184,498,556/76,804,907.20
  6. Step 6: Final answer
    x = 76,465,311.90

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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.