Home / 68,931,961,016.44-103,253,141,252.32-43,736,708,959.80

Finding the Fourth Proportional to 68,931,961,016.44, 103,253,141,252.32 and 43,736,708,959.80

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Solution

The fourth proportional to 68,931,961,016.44, 103,253,141,252.32 and 43,736,708,959.80 is: 65,513,188,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,931,961,016.44 : 103,253,141,252.32 = 43,736,708,959.80 : x
  2. Step 2: Convert to fraction form
    68,931,961,016.44/103,253,141,252.32 = 43,736,708,959.80/x
  3. Step 3: Cross multiply
    68,931,961,016.44x = 103,253,141,252.32 × 43,736,708,959.80
  4. Step 4: Simplify right side
    68,931,961,016.44x = 4,515,952,588,137,839,984,640
  5. Step 5: Solve for x
    x = 4,515,952,588,137,839,984,640/68,931,961,016.44
  6. Step 6: Final answer
    x = 65,513,188,969.93

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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.