Finding the Fourth Proportional to 73,753,413.40, 110,630,120.10 and 66,447,083.80
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Solution
The fourth proportional to 73,753,413.40, 110,630,120.10 and 66,447,083.80 is: 99,670,625.70
Step by Step Solution
- Step 1: Write the proportion equation
73,753,413.40 : 110,630,120.10 = 66,447,083.80 : x - Step 2: Convert to fraction form
73,753,413.40/110,630,120.10 = 66,447,083.80/x - Step 3: Cross multiply
73,753,413.40x = 110,630,120.10 × 66,447,083.80 - Step 4: Simplify right side
73,753,413.40x = 7,351,048,861,088,764 - Step 5: Solve for x
x = 7,351,048,861,088,764/73,753,413.40 - Step 6: Final answer
x = 99,670,625.70
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1.5x scale
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.