Home / 43,137,815.10-64,706,722.65-20,462,999.10

Finding the Fourth Proportional to 43,137,815.10, 64,706,722.65 and 20,462,999.10

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Solution

The fourth proportional to 43,137,815.10, 64,706,722.65 and 20,462,999.10 is: 30,694,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137,815.10 : 64,706,722.65 = 20,462,999.10 : x
  2. Step 2: Convert to fraction form
    43,137,815.10/64,706,722.65 = 20,462,999.10/x
  3. Step 3: Cross multiply
    43,137,815.10x = 64,706,722.65 × 20,462,999.10
  4. Step 4: Simplify right side
    43,137,815.10x = 1,324,093,607,350,899.75
  5. Step 5: Solve for x
    x = 1,324,093,607,350,899.75/43,137,815.10
  6. Step 6: Final answer
    x = 30,694,498.65

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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.