Finding the Fourth Proportional to 151,027,276.05, 212,012,142.75 and 151,027,276.05
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Solution
The fourth proportional to 151,027,276.05, 212,012,142.75 and 151,027,276.05 is: 212,012,142.75
Step by Step Solution
- Step 1: Write the proportion equation
151,027,276.05 : 212,012,142.75 = 151,027,276.05 : x - Step 2: Convert to fraction form
151,027,276.05/212,012,142.75 = 151,027,276.05/x - Step 3: Cross multiply
151,027,276.05x = 212,012,142.75 × 151,027,276.05 - Step 4: Simplify right side
151,027,276.05x = 32,019,616,409,056,260 - Step 5: Solve for x
x = 32,019,616,409,056,260/151,027,276.05 - Step 6: Final answer
x = 212,012,142.75
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.