Finding the Fourth Proportional to 204,237,652.96, 281,809,413.89 and 121,739,114.08
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Solution
The fourth proportional to 204,237,652.96, 281,809,413.89 and 121,739,114.08 is: 167,977,000.76
Step by Step Solution
- Step 1: Write the proportion equation
204,237,652.96 : 281,809,413.89 = 121,739,114.08 : x - Step 2: Convert to fraction form
204,237,652.96/281,809,413.89 = 121,739,114.08/x - Step 3: Cross multiply
204,237,652.96x = 281,809,413.89 × 121,739,114.08 - Step 4: Simplify right side
204,237,652.96x = 34,307,228,385,332,264 - Step 5: Solve for x
x = 34,307,228,385,332,264/204,237,652.96 - Step 6: Final answer
x = 167,977,000.76
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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.