Finding the Fourth Proportional to 221,184,138.86, 331,830,226.35 and 73,631,413.73
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Solution
The fourth proportional to 221,184,138.86, 331,830,226.35 and 73,631,413.73 is: 110,465,103.02
Step by Step Solution
- Step 1: Write the proportion equation
221,184,138.86 : 331,830,226.35 = 73,631,413.73 : x - Step 2: Convert to fraction form
221,184,138.86/331,830,226.35 = 73,631,413.73/x - Step 3: Cross multiply
221,184,138.86x = 331,830,226.35 × 73,631,413.73 - Step 4: Simplify right side
221,184,138.86x = 24,433,128,685,325,976 - Step 5: Solve for x
x = 24,433,128,685,325,976/221,184,138.86 - Step 6: Final answer
x = 110,465,103.02
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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.