Home / 189,558,323.20-284,368,977.60-74,546,617.60

Finding the Fourth Proportional to 189,558,323.20, 284,368,977.60 and 74,546,617.60

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Solution

The fourth proportional to 189,558,323.20, 284,368,977.60 and 74,546,617.60 is: 111,832,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558,323.20 : 284,368,977.60 = 74,546,617.60 : x
  2. Step 2: Convert to fraction form
    189,558,323.20/284,368,977.60 = 74,546,617.60/x
  3. Step 3: Cross multiply
    189,558,323.20x = 284,368,977.60 × 74,546,617.60
  4. Step 4: Simplify right side
    189,558,323.20x = 21,198,745,430,450,164
  5. Step 5: Solve for x
    x = 21,198,745,430,450,164/189,558,323.20
  6. Step 6: Final answer
    x = 111,832,311.41

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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.