Home / 121,606,413.06-167,828,852.42-69,403,258.88

Finding the Fourth Proportional to 121,606,413.06, 167,828,852.42 and 69,403,258.88

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Solution

The fourth proportional to 121,606,413.06, 167,828,852.42 and 69,403,258.88 is: 95,783,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,606,413.06 : 167,828,852.42 = 69,403,258.88 : x
  2. Step 2: Convert to fraction form
    121,606,413.06/167,828,852.42 = 69,403,258.88/x
  3. Step 3: Cross multiply
    121,606,413.06x = 167,828,852.42 × 69,403,258.88
  4. Step 4: Simplify right side
    121,606,413.06x = 11,647,869,290,852,414
  5. Step 5: Solve for x
    x = 11,647,869,290,852,414/121,606,413.06
  6. Step 6: Final answer
    x = 95,783,347.26

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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.