Home / 47,388,991.20-71,083,486.80-44,200,345.20

Finding the Fourth Proportional to 47,388,991.20, 71,083,486.80 and 44,200,345.20

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Solution

The fourth proportional to 47,388,991.20, 71,083,486.80 and 44,200,345.20 is: 66,300,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,388,991.20 : 71,083,486.80 = 44,200,345.20 : x
  2. Step 2: Convert to fraction form
    47,388,991.20/71,083,486.80 = 44,200,345.20/x
  3. Step 3: Cross multiply
    47,388,991.20x = 71,083,486.80 × 44,200,345.20
  4. Step 4: Simplify right side
    47,388,991.20x = 3,141,914,654,579,643.50
  5. Step 5: Solve for x
    x = 3,141,914,654,579,643.50/47,388,991.20
  6. Step 6: Final answer
    x = 66,300,517.80

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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.