Home / 247,351,371.91-341,477,415.54-190,712,413.71

Finding the Fourth Proportional to 247,351,371.91, 341,477,415.54 and 190,712,413.71

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Solution

The fourth proportional to 247,351,371.91, 341,477,415.54 and 190,712,413.71 is: 263,285,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,351,371.91 : 341,477,415.54 = 190,712,413.71 : x
  2. Step 2: Convert to fraction form
    247,351,371.91/341,477,415.54 = 190,712,413.71/x
  3. Step 3: Cross multiply
    247,351,371.91x = 341,477,415.54 × 190,712,413.71
  4. Step 4: Simplify right side
    247,351,371.91x = 65,123,982,145,086,072
  5. Step 5: Solve for x
    x = 65,123,982,145,086,072/247,351,371.91
  6. Step 6: Final answer
    x = 263,285,308.03

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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.