Home / 74,614,379.86-102,968,252.68-43,271,012.38

Finding the Fourth Proportional to 74,614,379.86, 102,968,252.68 and 43,271,012.38

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Solution

The fourth proportional to 74,614,379.86, 102,968,252.68 and 43,271,012.38 is: 59,714,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614,379.86 : 102,968,252.68 = 43,271,012.38 : x
  2. Step 2: Convert to fraction form
    74,614,379.86/102,968,252.68 = 43,271,012.38/x
  3. Step 3: Cross multiply
    74,614,379.86x = 102,968,252.68 × 43,271,012.38
  4. Step 4: Simplify right side
    74,614,379.86x = 4,455,540,536,463,249
  5. Step 5: Solve for x
    x = 4,455,540,536,463,249/74,614,379.86
  6. Step 6: Final answer
    x = 59,714,233.97

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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.