Home / 248,145,138.64-372,218,174.51-102,418,855.12

Finding the Fourth Proportional to 248,145,138.64, 372,218,174.51 and 102,418,855.12

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Solution

The fourth proportional to 248,145,138.64, 372,218,174.51 and 102,418,855.12 is: 153,628,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,145,138.64 : 372,218,174.51 = 102,418,855.12 : x
  2. Step 2: Convert to fraction form
    248,145,138.64/372,218,174.51 = 102,418,855.12/x
  3. Step 3: Cross multiply
    248,145,138.64x = 372,218,174.51 × 102,418,855.12
  4. Step 4: Simplify right side
    248,145,138.64x = 38,122,159,286,309,472
  5. Step 5: Solve for x
    x = 38,122,159,286,309,472/248,145,138.64
  6. Step 6: Final answer
    x = 153,628,475.24

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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.