Home / 179,878,135.91-269,776,413.81-81,444,861.63

Finding the Fourth Proportional to 179,878,135.91, 269,776,413.81 and 81,444,861.63

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Solution

The fourth proportional to 179,878,135.91, 269,776,413.81 and 81,444,861.63 is: 122,148,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,878,135.91 : 269,776,413.81 = 81,444,861.63 : x
  2. Step 2: Convert to fraction form
    179,878,135.91/269,776,413.81 = 81,444,861.63/x
  3. Step 3: Cross multiply
    179,878,135.91x = 269,776,413.81 × 81,444,861.63
  4. Step 4: Simplify right side
    179,878,135.91x = 21,971,902,693,793,072
  5. Step 5: Solve for x
    x = 21,971,902,693,793,072/179,878,135.91
  6. Step 6: Final answer
    x = 122,148,823.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.