Home / 74,015,136.02-102,151,571.67-42,647,177.30

Finding the Fourth Proportional to 74,015,136.02, 102,151,571.67 and 42,647,177.30

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Solution

The fourth proportional to 74,015,136.02, 102,151,571.67 and 42,647,177.30 is: 58,859,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,015,136.02 : 102,151,571.67 = 42,647,177.30 : x
  2. Step 2: Convert to fraction form
    74,015,136.02/102,151,571.67 = 42,647,177.30/x
  3. Step 3: Cross multiply
    74,015,136.02x = 102,151,571.67 × 42,647,177.30
  4. Step 4: Simplify right side
    74,015,136.02x = 4,356,476,188,484,147
  5. Step 5: Solve for x
    x = 4,356,476,188,484,147/74,015,136.02
  6. Step 6: Final answer
    x = 58,859,260.72

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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.