Home / 66,648,195.63-91,994,062.77-38,777,461.29

Finding the Fourth Proportional to 66,648,195.63, 91,994,062.77 and 38,777,461.29

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Solution

The fourth proportional to 66,648,195.63, 91,994,062.77 and 38,777,461.29 is: 53,524,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,648,195.63 : 91,994,062.77 = 38,777,461.29 : x
  2. Step 2: Convert to fraction form
    66,648,195.63/91,994,062.77 = 38,777,461.29/x
  3. Step 3: Cross multiply
    66,648,195.63x = 91,994,062.77 × 38,777,461.29
  4. Step 4: Simplify right side
    66,648,195.63x = 3,567,296,207,973,505
  5. Step 5: Solve for x
    x = 3,567,296,207,973,505/66,648,195.63
  6. Step 6: Final answer
    x = 53,524,272.85

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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.