Finding the Fourth Proportional to 352,272,942.40, 528,409,413.60 and 122,165,550.40
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Solution
The fourth proportional to 352,272,942.40, 528,409,413.60 and 122,165,550.40 is: 183,248,325.60
Step by Step Solution
- Step 1: Write the proportion equation
352,272,942.40 : 528,409,413.60 = 122,165,550.40 : x - Step 2: Convert to fraction form
352,272,942.40/528,409,413.60 = 122,165,550.40/x - Step 3: Cross multiply
352,272,942.40x = 528,409,413.60 × 122,165,550.40 - Step 4: Simplify right side
352,272,942.40x = 64,553,426,848,985,248 - Step 5: Solve for x
x = 64,553,426,848,985,248/352,272,942.40 - Step 6: Final answer
x = 183,248,325.60
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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.