Finding the Fourth Proportional to 89,713,082.60, 134,569,623.90 and 48,898,413.80
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Solution
The fourth proportional to 89,713,082.60, 134,569,623.90 and 48,898,413.80 is: 73,347,620.70
Step by Step Solution
- Step 1: Write the proportion equation
89,713,082.60 : 134,569,623.90 = 48,898,413.80 : x - Step 2: Convert to fraction form
89,713,082.60/134,569,623.90 = 48,898,413.80/x - Step 3: Cross multiply
89,713,082.60x = 134,569,623.90 × 48,898,413.80 - Step 4: Simplify right side
89,713,082.60x = 6,580,241,154,372,570 - Step 5: Solve for x
x = 6,580,241,154,372,570/89,713,082.60 - Step 6: Final answer
x = 73,347,620.70
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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.