Home / 68,593,654,790.21-102,855,153,979.78-30,787,820,132.13

Finding the Fourth Proportional to 68,593,654,790.21, 102,855,153,979.78 and 30,787,820,132.13

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Solution

The fourth proportional to 68,593,654,790.21, 102,855,153,979.78 and 30,787,820,132.13 is: 46,165,873,360.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,593,654,790.21 : 102,855,153,979.78 = 30,787,820,132.13 : x
  2. Step 2: Convert to fraction form
    68,593,654,790.21/102,855,153,979.78 = 30,787,820,132.13/x
  3. Step 3: Cross multiply
    68,593,654,790.21x = 102,855,153,979.78 × 30,787,820,132.13
  4. Step 4: Simplify right side
    68,593,654,790.21x = 3,166,685,980,392,001,896,448
  5. Step 5: Solve for x
    x = 3,166,685,980,392,001,896,448/68,593,654,790.21
  6. Step 6: Final answer
    x = 46,165,873,360.69

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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.