Home / 66,648,198.63-91,994,066.91-38,777,464.29

Finding the Fourth Proportional to 66,648,198.63, 91,994,066.91 and 38,777,464.29

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Solution

The fourth proportional to 66,648,198.63, 91,994,066.91 and 38,777,464.29 is: 53,524,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,648,198.63 : 91,994,066.91 = 38,777,464.29 : x
  2. Step 2: Convert to fraction form
    66,648,198.63/91,994,066.91 = 38,777,464.29/x
  3. Step 3: Cross multiply
    66,648,198.63x = 91,994,066.91 × 38,777,464.29
  4. Step 4: Simplify right side
    66,648,198.63x = 3,567,296,644,494,395.50
  5. Step 5: Solve for x
    x = 3,567,296,644,494,395.50/66,648,198.63
  6. Step 6: Final answer
    x = 53,524,276.99

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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.