Home / 248,655,809.70-372,983,714.55-194,236,251.30

Finding the Fourth Proportional to 248,655,809.70, 372,983,714.55 and 194,236,251.30

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Solution

The fourth proportional to 248,655,809.70, 372,983,714.55 and 194,236,251.30 is: 291,354,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,655,809.70 : 372,983,714.55 = 194,236,251.30 : x
  2. Step 2: Convert to fraction form
    248,655,809.70/372,983,714.55 = 194,236,251.30/x
  3. Step 3: Cross multiply
    248,655,809.70x = 372,983,714.55 × 194,236,251.30
  4. Step 4: Simplify right side
    248,655,809.70x = 72,446,958,510,141,280
  5. Step 5: Solve for x
    x = 72,446,958,510,141,280/248,655,809.70
  6. Step 6: Final answer
    x = 291,354,376.95

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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.