Finding the Fourth Proportional to 136,771,296.40, 204,831,272.76 and 79,142,116.24
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Solution
The fourth proportional to 136,771,296.40, 204,831,272.76 and 79,142,116.24 is: 118,524,725.77
Step by Step Solution
- Step 1: Write the proportion equation
136,771,296.40 : 204,831,272.76 = 79,142,116.24 : x - Step 2: Convert to fraction form
136,771,296.40/204,831,272.76 = 79,142,116.24/x - Step 3: Cross multiply
136,771,296.40x = 204,831,272.76 × 79,142,116.24 - Step 4: Simplify right side
136,771,296.40x = 16,210,780,398,359,064 - Step 5: Solve for x
x = 16,210,780,398,359,064/136,771,296.40 - Step 6: Final answer
x = 118,524,725.77
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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.