Home / 116,233,395.75-160,388,111.07-66,671,208.09

Finding the Fourth Proportional to 116,233,395.75, 160,388,111.07 and 66,671,208.09

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Solution

The fourth proportional to 116,233,395.75, 160,388,111.07 and 66,671,208.09 is: 91,998,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,233,395.75 : 160,388,111.07 = 66,671,208.09 : x
  2. Step 2: Convert to fraction form
    116,233,395.75/160,388,111.07 = 66,671,208.09/x
  3. Step 3: Cross multiply
    116,233,395.75x = 160,388,111.07 × 66,671,208.09
  4. Step 4: Simplify right side
    116,233,395.75x = 10,693,269,128,310,002
  5. Step 5: Solve for x
    x = 10,693,269,128,310,002/116,233,395.75
  6. Step 6: Final answer
    x = 91,998,251.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.