Home / 81,291,591.37-112,182,519.27-44,121,885.21

Finding the Fourth Proportional to 81,291,591.37, 112,182,519.27 and 44,121,885.21

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Solution

The fourth proportional to 81,291,591.37, 112,182,519.27 and 44,121,885.21 is: 60,888,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,291,591.37 : 112,182,519.27 = 44,121,885.21 : x
  2. Step 2: Convert to fraction form
    81,291,591.37/112,182,519.27 = 44,121,885.21/x
  3. Step 3: Cross multiply
    81,291,591.37x = 112,182,519.27 × 44,121,885.21
  4. Step 4: Simplify right side
    81,291,591.37x = 4,949,704,237,799,553
  5. Step 5: Solve for x
    x = 4,949,704,237,799,553/81,291,591.37
  6. Step 6: Final answer
    x = 60,888,268.45

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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.