Home / 81,606,200.80-122,352,484.56-36,143,350.24

Finding the Fourth Proportional to 81,606,200.80, 122,352,484.56 and 36,143,350.24

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Solution

The fourth proportional to 81,606,200.80, 122,352,484.56 and 36,143,350.24 is: 54,189,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,606,200.80 : 122,352,484.56 = 36,143,350.24 : x
  2. Step 2: Convert to fraction form
    81,606,200.80/122,352,484.56 = 36,143,350.24/x
  3. Step 3: Cross multiply
    81,606,200.80x = 122,352,484.56 × 36,143,350.24
  4. Step 4: Simplify right side
    81,606,200.80x = 4,422,228,702,186,272.50
  5. Step 5: Solve for x
    x = 4,422,228,702,186,272.50/81,606,200.80
  6. Step 6: Final answer
    x = 54,189,861.30

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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.