Home / 291,269,413.76-401,964,010.24-167,510,189.12

Finding the Fourth Proportional to 291,269,413.76, 401,964,010.24 and 167,510,189.12

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Solution

The fourth proportional to 291,269,413.76, 401,964,010.24 and 167,510,189.12 is: 231,171,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269,413.76 : 401,964,010.24 = 167,510,189.12 : x
  2. Step 2: Convert to fraction form
    291,269,413.76/401,964,010.24 = 167,510,189.12/x
  3. Step 3: Cross multiply
    291,269,413.76x = 401,964,010.24 × 167,510,189.12
  4. Step 4: Simplify right side
    291,269,413.76x = 67,333,067,374,736,024
  5. Step 5: Solve for x
    x = 67,333,067,374,736,024/291,269,413.76
  6. Step 6: Final answer
    x = 231,171,088.33

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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.