Home / 103,563,601,473.60-155,417,961,621.60-66,388,996,468.80

Finding the Fourth Proportional to 103,563,601,473.60, 155,417,961,621.60 and 66,388,996,468.80

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Solution

The fourth proportional to 103,563,601,473.60, 155,417,961,621.60 and 66,388,996,468.80 is: 99,630,008,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,563,601,473.60 : 155,417,961,621.60 = 66,388,996,468.80 : x
  2. Step 2: Convert to fraction form
    103,563,601,473.60/155,417,961,621.60 = 66,388,996,468.80/x
  3. Step 3: Cross multiply
    103,563,601,473.60x = 155,417,961,621.60 × 66,388,996,468.80
  4. Step 4: Simplify right side
    103,563,601,473.60x = 10,318,042,505,284,497,178,624
  5. Step 5: Solve for x
    x = 10,318,042,505,284,497,178,624/103,563,601,473.60
  6. Step 6: Final answer
    x = 99,630,008,598.29

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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.