Home / 57,201,914.88-85,805,827.20-18,861,880.32

Finding the Fourth Proportional to 57,201,914.88, 85,805,827.20 and 18,861,880.32

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Solution

The fourth proportional to 57,201,914.88, 85,805,827.20 and 18,861,880.32 is: 28,293,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,201,914.88 : 85,805,827.20 = 18,861,880.32 : x
  2. Step 2: Convert to fraction form
    57,201,914.88/85,805,827.20 = 18,861,880.32/x
  3. Step 3: Cross multiply
    57,201,914.88x = 85,805,827.20 × 18,861,880.32
  4. Step 4: Simplify right side
    57,201,914.88x = 1,618,459,243,405,000.75
  5. Step 5: Solve for x
    x = 1,618,459,243,405,000.75/57,201,914.88
  6. Step 6: Final answer
    x = 28,293,794.83

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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.