Finding the Fourth Proportional to 88,681,419.60, 133,066,366.20 and 50,372,350.80
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Solution
The fourth proportional to 88,681,419.60, 133,066,366.20 and 50,372,350.80 is: 75,583,653.35
Step by Step Solution
- Step 1: Write the proportion equation
88,681,419.60 : 133,066,366.20 = 50,372,350.80 : x - Step 2: Convert to fraction form
88,681,419.60/133,066,366.20 = 50,372,350.80/x - Step 3: Cross multiply
88,681,419.60x = 133,066,366.20 × 50,372,350.80 - Step 4: Simplify right side
88,681,419.60x = 6,702,865,677,907,663 - Step 5: Solve for x
x = 6,702,865,677,907,663/88,681,419.60 - Step 6: Final answer
x = 75,583,653.35
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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.