Home / 133,669,935.60-200,504,903.40-87,753,433.20

Finding the Fourth Proportional to 133,669,935.60, 200,504,903.40 and 87,753,433.20

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Solution

The fourth proportional to 133,669,935.60, 200,504,903.40 and 87,753,433.20 is: 131,630,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669,935.60 : 200,504,903.40 = 87,753,433.20 : x
  2. Step 2: Convert to fraction form
    133,669,935.60/200,504,903.40 = 87,753,433.20/x
  3. Step 3: Cross multiply
    133,669,935.60x = 200,504,903.40 × 87,753,433.20
  4. Step 4: Simplify right side
    133,669,935.60x = 17,594,993,646,784,354
  5. Step 5: Solve for x
    x = 17,594,993,646,784,354/133,669,935.60
  6. Step 6: Final answer
    x = 131,630,149.80

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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.