Home / 82,199,102.38-113,434,895.24-45,028,566.75

Finding the Fourth Proportional to 82,199,102.38, 113,434,895.24 and 45,028,566.75

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Solution

The fourth proportional to 82,199,102.38, 113,434,895.24 and 45,028,566.75 is: 62,139,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,199,102.38 : 113,434,895.24 = 45,028,566.75 : x
  2. Step 2: Convert to fraction form
    82,199,102.38/113,434,895.24 = 45,028,566.75/x
  3. Step 3: Cross multiply
    82,199,102.38x = 113,434,895.24 × 45,028,566.75
  4. Step 4: Simplify right side
    82,199,102.38x = 5,107,810,751,824,621
  5. Step 5: Solve for x
    x = 5,107,810,751,824,621/82,199,102.38
  6. Step 6: Final answer
    x = 62,139,495.49

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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.