Home / 73,990,568.45-102,107,202.93-40,953,112.22

Finding the Fourth Proportional to 73,990,568.45, 102,107,202.93 and 40,953,112.22

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Solution

The fourth proportional to 73,990,568.45, 102,107,202.93 and 40,953,112.22 is: 56,515,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,990,568.45 : 102,107,202.93 = 40,953,112.22 : x
  2. Step 2: Convert to fraction form
    73,990,568.45/102,107,202.93 = 40,953,112.22/x
  3. Step 3: Cross multiply
    73,990,568.45x = 102,107,202.93 × 40,953,112.22
  4. Step 4: Simplify right side
    73,990,568.45x = 4,181,607,739,552,067.50
  5. Step 5: Solve for x
    x = 4,181,607,739,552,067.50/73,990,568.45
  6. Step 6: Final answer
    x = 56,515,415.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.