Home / 213,175,951,289.21-319,766,383,364.46-77,048,414,046.11

Finding the Fourth Proportional to 213,175,951,289.21, 319,766,383,364.46 and 77,048,414,046.11

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Solution

The fourth proportional to 213,175,951,289.21, 319,766,383,364.46 and 77,048,414,046.11 is: 115,573,508,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,175,951,289.21 : 319,766,383,364.46 = 77,048,414,046.11 : x
  2. Step 2: Convert to fraction form
    213,175,951,289.21/319,766,383,364.46 = 77,048,414,046.11/x
  3. Step 3: Cross multiply
    213,175,951,289.21x = 319,766,383,364.46 × 77,048,414,046.11
  4. Step 4: Simplify right side
    213,175,951,289.21x = 24,637,492,703,492,057,333,760
  5. Step 5: Solve for x
    x = 24,637,492,703,492,057,333,760/213,175,951,289.21
  6. Step 6: Final answer
    x = 115,573,508,899.54

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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.