Home / 100,405,026.20-150,707,072.10-49,344,699.80

Finding the Fourth Proportional to 100,405,026.20, 150,707,072.10 and 49,344,699.80

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Solution

The fourth proportional to 100,405,026.20, 150,707,072.10 and 49,344,699.80 is: 74,065,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,405,026.20 : 150,707,072.10 = 49,344,699.80 : x
  2. Step 2: Convert to fraction form
    100,405,026.20/150,707,072.10 = 49,344,699.80/x
  3. Step 3: Cross multiply
    100,405,026.20x = 150,707,072.10 × 49,344,699.80
  4. Step 4: Simplify right side
    100,405,026.20x = 7,436,595,230,511,455
  5. Step 5: Solve for x
    x = 7,436,595,230,511,455/100,405,026.20
  6. Step 6: Final answer
    x = 74,065,965.74

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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.