Finding the Fourth Proportional to 145,523,270.80, 218,315,232.60 and 48,509,117.20
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Solution
The fourth proportional to 145,523,270.80, 218,315,232.60 and 48,509,117.20 is: 72,773,784.88
Step by Step Solution
- Step 1: Write the proportion equation
145,523,270.80 : 218,315,232.60 = 48,509,117.20 : x - Step 2: Convert to fraction form
145,523,270.80/218,315,232.60 = 48,509,117.20/x - Step 3: Cross multiply
145,523,270.80x = 218,315,232.60 × 48,509,117.20 - Step 4: Simplify right side
145,523,270.80x = 10,590,279,204,738,662 - Step 5: Solve for x
x = 10,590,279,204,738,662/145,523,270.80 - Step 6: Final answer
x = 72,773,784.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.