Home / 103,563,601,474.60-155,417,961,623.10-66,388,996,469.80

Finding the Fourth Proportional to 103,563,601,474.60, 155,417,961,623.10 and 66,388,996,469.80

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Solution

The fourth proportional to 103,563,601,474.60, 155,417,961,623.10 and 66,388,996,469.80 is: 99,630,008,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,563,601,474.60 : 155,417,961,623.10 = 66,388,996,469.80 : x
  2. Step 2: Convert to fraction form
    103,563,601,474.60/155,417,961,623.10 = 66,388,996,469.80/x
  3. Step 3: Cross multiply
    103,563,601,474.60x = 155,417,961,623.10 × 66,388,996,469.80
  4. Step 4: Simplify right side
    103,563,601,474.60x = 10,318,042,505,539,498,278,912
  5. Step 5: Solve for x
    x = 10,318,042,505,539,498,278,912/103,563,601,474.60
  6. Step 6: Final answer
    x = 99,630,008,599.79

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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.