Home / 221,843,413.83-306,152,925.28-122,722,452.28

Finding the Fourth Proportional to 221,843,413.83, 306,152,925.28 and 122,722,452.28

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Solution

The fourth proportional to 221,843,413.83, 306,152,925.28 and 122,722,452.28 is: 169,361,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,843,413.83 : 306,152,925.28 = 122,722,452.28 : x
  2. Step 2: Convert to fraction form
    221,843,413.83/306,152,925.28 = 122,722,452.28/x
  3. Step 3: Cross multiply
    221,843,413.83x = 306,152,925.28 × 122,722,452.28
  4. Step 4: Simplify right side
    221,843,413.83x = 37,571,837,762,788,240
  5. Step 5: Solve for x
    x = 37,571,837,762,788,240/221,843,413.83
  6. Step 6: Final answer
    x = 169,361,970.75

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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.