Finding the Fourth Proportional to 228,448,861.40, 342,869,247.30 and 92,232,003.80
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Solution
The fourth proportional to 228,448,861.40, 342,869,247.30 and 92,232,003.80 is: 138,427,118.99
Step by Step Solution
- Step 1: Write the proportion equation
228,448,861.40 : 342,869,247.30 = 92,232,003.80 : x - Step 2: Convert to fraction form
228,448,861.40/342,869,247.30 = 92,232,003.80/x - Step 3: Cross multiply
228,448,861.40x = 342,869,247.30 × 92,232,003.80 - Step 4: Simplify right side
228,448,861.40x = 31,623,517,719,876,740 - Step 5: Solve for x
x = 31,623,517,719,876,740/228,448,861.40 - Step 6: Final answer
x = 138,427,118.99
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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.