Home / 103,563,601,470.60-155,417,961,617.10-66,388,996,465.80

Finding the Fourth Proportional to 103,563,601,470.60, 155,417,961,617.10 and 66,388,996,465.80

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Solution

The fourth proportional to 103,563,601,470.60, 155,417,961,617.10 and 66,388,996,465.80 is: 99,630,008,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,563,601,470.60 : 155,417,961,617.10 = 66,388,996,465.80 : x
  2. Step 2: Convert to fraction form
    103,563,601,470.60/155,417,961,617.10 = 66,388,996,465.80/x
  3. Step 3: Cross multiply
    103,563,601,470.60x = 155,417,961,617.10 × 66,388,996,465.80
  4. Step 4: Simplify right side
    103,563,601,470.60x = 10,318,042,504,519,493,877,760
  5. Step 5: Solve for x
    x = 10,318,042,504,519,493,877,760/103,563,601,470.60
  6. Step 6: Final answer
    x = 99,630,008,593.79

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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.