Home / 76,961,329.20-115,441,993.80-47,736,010.80

Finding the Fourth Proportional to 76,961,329.20, 115,441,993.80 and 47,736,010.80

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Solution

The fourth proportional to 76,961,329.20, 115,441,993.80 and 47,736,010.80 is: 71,604,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961,329.20 : 115,441,993.80 = 47,736,010.80 : x
  2. Step 2: Convert to fraction form
    76,961,329.20/115,441,993.80 = 47,736,010.80/x
  3. Step 3: Cross multiply
    76,961,329.20x = 115,441,993.80 × 47,736,010.80
  4. Step 4: Simplify right side
    76,961,329.20x = 5,510,740,262,810,333
  5. Step 5: Solve for x
    x = 5,510,740,262,810,333/76,961,329.20
  6. Step 6: Final answer
    x = 71,604,016.20

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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.