Home / 44,490,815.20-66,736,222.80-21,815,999.20

Finding the Fourth Proportional to 44,490,815.20, 66,736,222.80 and 21,815,999.20

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Solution

The fourth proportional to 44,490,815.20, 66,736,222.80 and 21,815,999.20 is: 32,723,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490,815.20 : 66,736,222.80 = 21,815,999.20 : x
  2. Step 2: Convert to fraction form
    44,490,815.20/66,736,222.80 = 21,815,999.20/x
  3. Step 3: Cross multiply
    44,490,815.20x = 66,736,222.80 × 21,815,999.20
  4. Step 4: Simplify right side
    44,490,815.20x = 1,455,917,383,215,821.75
  5. Step 5: Solve for x
    x = 1,455,917,383,215,821.75/44,490,815.20
  6. Step 6: Final answer
    x = 32,723,998.80

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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.