Home / 65,987,615.40-91,063,899.96-36,620,850.48

Finding the Fourth Proportional to 65,987,615.40, 91,063,899.96 and 36,620,850.48

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Solution

The fourth proportional to 65,987,615.40, 91,063,899.96 and 36,620,850.48 is: 50,537,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,987,615.40 : 91,063,899.96 = 36,620,850.48 : x
  2. Step 2: Convert to fraction form
    65,987,615.40/91,063,899.96 = 36,620,850.48/x
  3. Step 3: Cross multiply
    65,987,615.40x = 91,063,899.96 × 36,620,850.48
  4. Step 4: Simplify right side
    65,987,615.40x = 3,334,837,464,560,837.50
  5. Step 5: Solve for x
    x = 3,334,837,464,560,837.50/65,987,615.40
  6. Step 6: Final answer
    x = 50,537,323.47

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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.