Home / 196,213,207,564.33-270,824,606,640.21-127,795,112,413.77

Finding the Fourth Proportional to 196,213,207,564.33, 270,824,606,640.21 and 127,795,112,413.77

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Solution

The fourth proportional to 196,213,207,564.33, 270,824,606,640.21 and 127,795,112,413.77 is: 176,390,068,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,213,207,564.33 : 270,824,606,640.21 = 127,795,112,413.77 : x
  2. Step 2: Convert to fraction form
    196,213,207,564.33/270,824,606,640.21 = 127,795,112,413.77/x
  3. Step 3: Cross multiply
    196,213,207,564.33x = 270,824,606,640.21 × 127,795,112,413.77
  4. Step 4: Simplify right side
    196,213,207,564.33x = 34,610,061,050,000,678,322,176
  5. Step 5: Solve for x
    x = 34,610,061,050,000,678,322,176/196,213,207,564.33
  6. Step 6: Final answer
    x = 176,390,068,128.59

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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.