Home / 39,907,765.20-59,712,175.80-28,419,790.80

Finding the Fourth Proportional to 39,907,765.20, 59,712,175.80 and 28,419,790.80

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Solution

The fourth proportional to 39,907,765.20, 59,712,175.80 and 28,419,790.80 is: 42,523,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907,765.20 : 59,712,175.80 = 28,419,790.80 : x
  2. Step 2: Convert to fraction form
    39,907,765.20/59,712,175.80 = 28,419,790.80/x
  3. Step 3: Cross multiply
    39,907,765.20x = 59,712,175.80 × 28,419,790.80
  4. Step 4: Simplify right side
    39,907,765.20x = 1,697,007,544,448,822.50
  5. Step 5: Solve for x
    x = 1,697,007,544,448,822.50/39,907,765.20
  6. Step 6: Final answer
    x = 42,523,241.68

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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.