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Finding the Fourth Proportional to 81,642,539, 122,463,808.68 and 33,773,483

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Solution

The fourth proportional to 81,642,539, 122,463,808.68 and 33,773,483 is: 50,660,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,642,539 : 122,463,808.68 = 33,773,483 : x
  2. Step 2: Convert to fraction form
    81,642,539/122,463,808.68 = 33,773,483/x
  3. Step 3: Cross multiply
    81,642,539x = 122,463,808.68 × 33,773,483
  4. Step 4: Simplify right side
    81,642,539x = 4,136,029,360,569,232.50
  5. Step 5: Solve for x
    x = 4,136,029,360,569,232.50/81,642,539
  6. Step 6: Final answer
    x = 50,660,224.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.