Home / 278,361,060.37-384,131,563.11-154,601,835.91

Finding the Fourth Proportional to 278,361,060.37, 384,131,563.11 and 154,601,835.91

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Solution

The fourth proportional to 278,361,060.37, 384,131,563.11 and 154,601,835.91 is: 213,346,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,361,060.37 : 384,131,563.11 = 154,601,835.91 : x
  2. Step 2: Convert to fraction form
    278,361,060.37/384,131,563.11 = 154,601,835.91/x
  3. Step 3: Cross multiply
    278,361,060.37x = 384,131,563.11 × 154,601,835.91
  4. Step 4: Simplify right side
    278,361,060.37x = 59,387,444,886,823,704
  5. Step 5: Solve for x
    x = 59,387,444,886,823,704/278,361,060.37
  6. Step 6: Final answer
    x = 213,346,812.26

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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.