Home / 81,005,647.33-111,786,941.59-43,835,113.99

Finding the Fourth Proportional to 81,005,647.33, 111,786,941.59 and 43,835,113.99

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Solution

The fourth proportional to 81,005,647.33, 111,786,941.59 and 43,835,113.99 is: 60,491,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,005,647.33 : 111,786,941.59 = 43,835,113.99 : x
  2. Step 2: Convert to fraction form
    81,005,647.33/111,786,941.59 = 43,835,113.99/x
  3. Step 3: Cross multiply
    81,005,647.33x = 111,786,941.59 × 43,835,113.99
  4. Step 4: Simplify right side
    81,005,647.33x = 4,900,193,327,191,122
  5. Step 5: Solve for x
    x = 4,900,193,327,191,122/81,005,647.33
  6. Step 6: Final answer
    x = 60,491,996.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.