Home / 274,219,940.48-378,423,522.07-156,747,815.60

Finding the Fourth Proportional to 274,219,940.48, 378,423,522.07 and 156,747,815.60

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Solution

The fourth proportional to 274,219,940.48, 378,423,522.07 and 156,747,815.60 is: 216,311,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,219,940.48 : 378,423,522.07 = 156,747,815.60 : x
  2. Step 2: Convert to fraction form
    274,219,940.48/378,423,522.07 = 156,747,815.60/x
  3. Step 3: Cross multiply
    274,219,940.48x = 378,423,522.07 × 156,747,815.60
  4. Step 4: Simplify right side
    274,219,940.48x = 59,317,060,453,846,904
  5. Step 5: Solve for x
    x = 59,317,060,453,846,904/274,219,940.48
  6. Step 6: Final answer
    x = 216,311,987.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.