Home / 80,558,413.80-120,837,620.70-26,705,725.80

Finding the Fourth Proportional to 80,558,413.80, 120,837,620.70 and 26,705,725.80

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Solution

The fourth proportional to 80,558,413.80, 120,837,620.70 and 26,705,725.80 is: 40,058,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,558,413.80 : 120,837,620.70 = 26,705,725.80 : x
  2. Step 2: Convert to fraction form
    80,558,413.80/120,837,620.70 = 26,705,725.80/x
  3. Step 3: Cross multiply
    80,558,413.80x = 120,837,620.70 × 26,705,725.80
  4. Step 4: Simplify right side
    80,558,413.80x = 3,227,056,364,738,604
  5. Step 5: Solve for x
    x = 3,227,056,364,738,604/80,558,413.80
  6. Step 6: Final answer
    x = 40,058,588.70

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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.