Home / 55,140,762.20-82,711,143.30-16,802,214.80

Finding the Fourth Proportional to 55,140,762.20, 82,711,143.30 and 16,802,214.80

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Solution

The fourth proportional to 55,140,762.20, 82,711,143.30 and 16,802,214.80 is: 25,203,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140,762.20 : 82,711,143.30 = 16,802,214.80 : x
  2. Step 2: Convert to fraction form
    55,140,762.20/82,711,143.30 = 16,802,214.80/x
  3. Step 3: Cross multiply
    55,140,762.20x = 82,711,143.30 × 16,802,214.80
  4. Step 4: Simplify right side
    55,140,762.20x = 1,389,730,396,080,180.75
  5. Step 5: Solve for x
    x = 1,389,730,396,080,180.75/55,140,762.20
  6. Step 6: Final answer
    x = 25,203,322.20

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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.