Home / 178,915,169,278.14-268,370,985,344.57-81,969,202,292.22

Finding the Fourth Proportional to 178,915,169,278.14, 268,370,985,344.57 and 81,969,202,292.22

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Solution

The fourth proportional to 178,915,169,278.14, 268,370,985,344.57 and 81,969,202,292.22 is: 122,952,993,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,915,169,278.14 : 268,370,985,344.57 = 81,969,202,292.22 : x
  2. Step 2: Convert to fraction form
    178,915,169,278.14/268,370,985,344.57 = 81,969,202,292.22/x
  3. Step 3: Cross multiply
    178,915,169,278.14x = 268,370,985,344.57 × 81,969,202,292.22
  4. Step 4: Simplify right side
    178,915,169,278.14x = 21,998,155,587,071,468,634,112
  5. Step 5: Solve for x
    x = 21,998,155,587,071,468,634,112/178,915,169,278.14
  6. Step 6: Final answer
    x = 122,952,993,174.51

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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.