Home / 47,873,145.60-71,809,718.40-28,502,121.15

Finding the Fourth Proportional to 47,873,145.60, 71,809,718.40 and 28,502,121.15

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Solution

The fourth proportional to 47,873,145.60, 71,809,718.40 and 28,502,121.15 is: 42,753,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,873,145.60 : 71,809,718.40 = 28,502,121.15 : x
  2. Step 2: Convert to fraction form
    47,873,145.60/71,809,718.40 = 28,502,121.15/x
  3. Step 3: Cross multiply
    47,873,145.60x = 71,809,718.40 × 28,502,121.15
  4. Step 4: Simplify right side
    47,873,145.60x = 2,046,729,293,584,184.25
  5. Step 5: Solve for x
    x = 2,046,729,293,584,184.25/47,873,145.60
  6. Step 6: Final answer
    x = 42,753,181.73

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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.