Home / 65,250,074.88-90,023,067.23-36,989,418.02

Finding the Fourth Proportional to 65,250,074.88, 90,023,067.23 and 36,989,418.02

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Solution

The fourth proportional to 65,250,074.88, 90,023,067.23 and 36,989,418.02 is: 51,032,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,250,074.88 : 90,023,067.23 = 36,989,418.02 : x
  2. Step 2: Convert to fraction form
    65,250,074.88/90,023,067.23 = 36,989,418.02/x
  3. Step 3: Cross multiply
    65,250,074.88x = 90,023,067.23 × 36,989,418.02
  4. Step 4: Simplify right side
    65,250,074.88x = 3,329,900,864,577,971
  5. Step 5: Solve for x
    x = 3,329,900,864,577,971/65,250,074.88
  6. Step 6: Final answer
    x = 51,032,904.88

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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.