Home / 213,175,951,289.47-319,766,383,364.84-77,048,414,046.36

Finding the Fourth Proportional to 213,175,951,289.47, 319,766,383,364.84 and 77,048,414,046.36

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Solution

The fourth proportional to 213,175,951,289.47, 319,766,383,364.84 and 77,048,414,046.36 is: 115,573,508,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,175,951,289.47 : 319,766,383,364.84 = 77,048,414,046.36 : x
  2. Step 2: Convert to fraction form
    213,175,951,289.47/319,766,383,364.84 = 77,048,414,046.36/x
  3. Step 3: Cross multiply
    213,175,951,289.47x = 319,766,383,364.84 × 77,048,414,046.36
  4. Step 4: Simplify right side
    213,175,951,289.47x = 24,637,492,703,601,277,009,920
  5. Step 5: Solve for x
    x = 24,637,492,703,601,277,009,920/213,175,951,289.47
  6. Step 6: Final answer
    x = 115,573,508,899.91

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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.