Home / 117,880,515.15-161,496,891.13-113,462,413.61

Finding the Fourth Proportional to 117,880,515.15, 161,496,891.13 and 113,462,413.61

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Solution

The fourth proportional to 117,880,515.15, 161,496,891.13 and 113,462,413.61 is: 155,444,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,880,515.15 : 161,496,891.13 = 113,462,413.61 : x
  2. Step 2: Convert to fraction form
    117,880,515.15/161,496,891.13 = 113,462,413.61/x
  3. Step 3: Cross multiply
    117,880,515.15x = 161,496,891.13 × 113,462,413.61
  4. Step 4: Simplify right side
    117,880,515.15x = 18,323,827,058,964,944
  5. Step 5: Solve for x
    x = 18,323,827,058,964,944/117,880,515.15
  6. Step 6: Final answer
    x = 155,444,070.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.