Home / 274,543,981.57-411,770,522.40-90,313,758.78

Finding the Fourth Proportional to 274,543,981.57, 411,770,522.40 and 90,313,758.78

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Solution

The fourth proportional to 274,543,981.57, 411,770,522.40 and 90,313,758.78 is: 135,455,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,543,981.57 : 411,770,522.40 = 90,313,758.78 : x
  2. Step 2: Convert to fraction form
    274,543,981.57/411,770,522.40 = 90,313,758.78/x
  3. Step 3: Cross multiply
    274,543,981.57x = 411,770,522.40 × 90,313,758.78
  4. Step 4: Simplify right side
    274,543,981.57x = 37,188,543,630,866,280
  5. Step 5: Solve for x
    x = 37,188,543,630,866,280/274,543,981.57
  6. Step 6: Final answer
    x = 135,455,686.98

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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.