Home / 55,194,266.20-82,822,892.10-21,140,051.80

Finding the Fourth Proportional to 55,194,266.20, 82,822,892.10 and 21,140,051.80

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Solution

The fourth proportional to 55,194,266.20, 82,822,892.10 and 21,140,051.80 is: 31,722,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,194,266.20 : 82,822,892.10 = 21,140,051.80 : x
  2. Step 2: Convert to fraction form
    55,194,266.20/82,822,892.10 = 21,140,051.80/x
  3. Step 3: Cross multiply
    55,194,266.20x = 82,822,892.10 × 21,140,051.80
  4. Step 4: Simplify right side
    55,194,266.20x = 1,750,880,229,219,810.75
  5. Step 5: Solve for x
    x = 1,750,880,229,219,810.75/55,194,266.20
  6. Step 6: Final answer
    x = 31,722,139.81

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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.