Finding the Fourth Proportional to 161,586,740.42, 242,414,156.24 and 52,403,398.12
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Solution
The fourth proportional to 161,586,740.42, 242,414,156.24 and 52,403,398.12 is: 78,616,138.34
Step by Step Solution
- Step 1: Write the proportion equation
161,586,740.42 : 242,414,156.24 = 52,403,398.12 : x - Step 2: Convert to fraction form
161,586,740.42/242,414,156.24 = 52,403,398.12/x - Step 3: Cross multiply
161,586,740.42x = 242,414,156.24 × 52,403,398.12 - Step 4: Simplify right side
161,586,740.42x = 12,703,325,539,368,602 - Step 5: Solve for x
x = 12,703,325,539,368,602/161,586,740.42 - Step 6: Final answer
x = 78,616,138.34
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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.