Home / 79,810,071.21-110,137,849.56-43,140,642.21

Finding the Fourth Proportional to 79,810,071.21, 110,137,849.56 and 43,140,642.21

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Solution

The fourth proportional to 79,810,071.21, 110,137,849.56 and 43,140,642.21 is: 59,534,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,810,071.21 : 110,137,849.56 = 43,140,642.21 : x
  2. Step 2: Convert to fraction form
    79,810,071.21/110,137,849.56 = 43,140,642.21/x
  3. Step 3: Cross multiply
    79,810,071.21x = 110,137,849.56 × 43,140,642.21
  4. Step 4: Simplify right side
    79,810,071.21x = 4,751,417,561,646,766
  5. Step 5: Solve for x
    x = 4,751,417,561,646,766/79,810,071.21
  6. Step 6: Final answer
    x = 59,534,059.92

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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.