Home / 68,510,928,568.60-102,771,345,860.34-28,676,640,866.68

Finding the Fourth Proportional to 68,510,928,568.60, 102,771,345,860.34 and 28,676,640,866.68

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Solution

The fourth proportional to 68,510,928,568.60, 102,771,345,860.34 and 28,676,640,866.68 is: 43,017,034,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,510,928,568.60 : 102,771,345,860.34 = 28,676,640,866.68 : x
  2. Step 2: Convert to fraction form
    68,510,928,568.60/102,771,345,860.34 = 28,676,640,866.68/x
  3. Step 3: Cross multiply
    68,510,928,568.60x = 102,771,345,860.34 × 28,676,640,866.68
  4. Step 4: Simplify right side
    68,510,928,568.60x = 2,947,136,976,622,330,576,896
  5. Step 5: Solve for x
    x = 2,947,136,976,622,330,576,896/68,510,928,568.60
  6. Step 6: Final answer
    x = 43,017,034,481.90

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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.