Home / 57,267,834.18-85,915,204.11-18,929,349.06

Finding the Fourth Proportional to 57,267,834.18, 85,915,204.11 and 18,929,349.06

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Solution

The fourth proportional to 57,267,834.18, 85,915,204.11 and 18,929,349.06 is: 28,398,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,267,834.18 : 85,915,204.11 = 18,929,349.06 : x
  2. Step 2: Convert to fraction form
    57,267,834.18/85,915,204.11 = 18,929,349.06/x
  3. Step 3: Cross multiply
    57,267,834.18x = 85,915,204.11 × 18,929,349.06
  4. Step 4: Simplify right side
    57,267,834.18x = 1,626,318,888,159,336.50
  5. Step 5: Solve for x
    x = 1,626,318,888,159,336.50/57,267,834.18
  6. Step 6: Final answer
    x = 28,398,470.30

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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.