Home / 68,752,680,896.01-103,128,997,071.09-18,386,805,661.32

Finding the Fourth Proportional to 68,752,680,896.01, 103,128,997,071.09 and 18,386,805,661.32

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Solution

The fourth proportional to 68,752,680,896.01, 103,128,997,071.09 and 18,386,805,661.32 is: 27,580,202,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752,680,896.01 : 103,128,997,071.09 = 18,386,805,661.32 : x
  2. Step 2: Convert to fraction form
    68,752,680,896.01/103,128,997,071.09 = 18,386,805,661.32/x
  3. Step 3: Cross multiply
    68,752,680,896.01x = 103,128,997,071.09 × 18,386,805,661.32
  4. Step 4: Simplify right side
    68,752,680,896.01x = 1,896,212,827,192,971,231,232
  5. Step 5: Solve for x
    x = 1,896,212,827,192,971,231,232/68,752,680,896.01
  6. Step 6: Final answer
    x = 27,580,202,000.57

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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.