Home / 263,896,270.20-395,844,405.30-72,420,046.20

Finding the Fourth Proportional to 263,896,270.20, 395,844,405.30 and 72,420,046.20

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Solution

The fourth proportional to 263,896,270.20, 395,844,405.30 and 72,420,046.20 is: 108,630,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,896,270.20 : 395,844,405.30 = 72,420,046.20 : x
  2. Step 2: Convert to fraction form
    263,896,270.20/395,844,405.30 = 72,420,046.20/x
  3. Step 3: Cross multiply
    263,896,270.20x = 395,844,405.30 × 72,420,046.20
  4. Step 4: Simplify right side
    263,896,270.20x = 28,667,070,119,837,528
  5. Step 5: Solve for x
    x = 28,667,070,119,837,528/263,896,270.20
  6. Step 6: Final answer
    x = 108,630,069.30

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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.