Finding the Fourth Proportional to 243,390,670.11, 365,082,816.21 and 59,157,611.05
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Solution
The fourth proportional to 243,390,670.11, 365,082,816.21 and 59,157,611.05 is: 88,735,641.48
Step by Step Solution
- Step 1: Write the proportion equation
243,390,670.11 : 365,082,816.21 = 59,157,611.05 : x - Step 2: Convert to fraction form
243,390,670.11/365,082,816.21 = 59,157,611.05/x - Step 3: Cross multiply
243,390,670.11x = 365,082,816.21 × 59,157,611.05 - Step 4: Simplify right side
243,390,670.11x = 21,597,427,243,299,692 - Step 5: Solve for x
x = 21,597,427,243,299,692/243,390,670.11 - Step 6: Final answer
x = 88,735,641.48
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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.