Home / 243,237,478.59-335,663,571.77-131,727,413.32

Finding the Fourth Proportional to 243,237,478.59, 335,663,571.77 and 131,727,413.32

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Solution

The fourth proportional to 243,237,478.59, 335,663,571.77 and 131,727,413.32 is: 181,781,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,237,478.59 : 335,663,571.77 = 131,727,413.32 : x
  2. Step 2: Convert to fraction form
    243,237,478.59/335,663,571.77 = 131,727,413.32/x
  3. Step 3: Cross multiply
    243,237,478.59x = 335,663,571.77 × 131,727,413.32
  4. Step 4: Simplify right side
    243,237,478.59x = 44,216,094,055,014,272
  5. Step 5: Solve for x
    x = 44,216,094,055,014,272/243,237,478.59
  6. Step 6: Final answer
    x = 181,781,583.62

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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.