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Finding the Fourth Proportional to 284,978,773.87, 427,744,582.85 and 137,530,099.67

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Solution

The fourth proportional to 284,978,773.87, 427,744,582.85 and 137,530,099.67 is: 206,428,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,978,773.87 : 427,744,582.85 = 137,530,099.67 : x
  2. Step 2: Convert to fraction form
    284,978,773.87/427,744,582.85 = 137,530,099.67/x
  3. Step 3: Cross multiply
    284,978,773.87x = 427,744,582.85 × 137,530,099.67
  4. Step 4: Simplify right side
    284,978,773.87x = 58,827,755,110,868,176
  5. Step 5: Solve for x
    x = 58,827,755,110,868,176/284,978,773.87
  6. Step 6: Final answer
    x = 206,428,550.14

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