Home / 68,593,654,738.62-102,855,153,902.31-30,787,820,080.74

Finding the Fourth Proportional to 68,593,654,738.62, 102,855,153,902.31 and 30,787,820,080.74

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Solution

The fourth proportional to 68,593,654,738.62, 102,855,153,902.31 and 30,787,820,080.74 is: 46,165,873,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,593,654,738.62 : 102,855,153,902.31 = 30,787,820,080.74 : x
  2. Step 2: Convert to fraction form
    68,593,654,738.62/102,855,153,902.31 = 30,787,820,080.74/x
  3. Step 3: Cross multiply
    68,593,654,738.62x = 102,855,153,902.31 × 30,787,820,080.74
  4. Step 4: Simplify right side
    68,593,654,738.62x = 3,166,685,972,721,143,119,872
  5. Step 5: Solve for x
    x = 3,166,685,972,721,143,119,872/68,593,654,738.62
  6. Step 6: Final answer
    x = 46,165,873,283.59

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1.5x scale

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.