Home / 189,563,353.20-284,376,522.60-74,551,647.60

Finding the Fourth Proportional to 189,563,353.20, 284,376,522.60 and 74,551,647.60

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Solution

The fourth proportional to 189,563,353.20, 284,376,522.60 and 74,551,647.60 is: 111,839,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,563,353.20 : 284,376,522.60 = 74,551,647.60 : x
  2. Step 2: Convert to fraction form
    189,563,353.20/284,376,522.60 = 74,551,647.60/x
  3. Step 3: Cross multiply
    189,563,353.20x = 284,376,522.60 × 74,551,647.60
  4. Step 4: Simplify right side
    189,563,353.20x = 21,200,738,298,588,636
  5. Step 5: Solve for x
    x = 21,200,738,298,588,636/189,563,353.20
  6. Step 6: Final answer
    x = 111,839,856.92

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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.