Home / 274,545,485.75-411,833,792.35-87,815,830.37

Finding the Fourth Proportional to 274,545,485.75, 411,833,792.35 and 87,815,830.37

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Solution

The fourth proportional to 274,545,485.75, 411,833,792.35 and 87,815,830.37 is: 131,728,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,545,485.75 : 411,833,792.35 = 87,815,830.37 : x
  2. Step 2: Convert to fraction form
    274,545,485.75/411,833,792.35 = 87,815,830.37/x
  3. Step 3: Cross multiply
    274,545,485.75x = 411,833,792.35 × 87,815,830.37
  4. Step 4: Simplify right side
    274,545,485.75x = 36,165,526,447,595,600
  5. Step 5: Solve for x
    x = 36,165,526,447,595,600/274,545,485.75
  6. Step 6: Final answer
    x = 131,728,723.74

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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.