Finding the Fourth Proportional to 145,692,790.24, 201,056,583.92 and 79,613,296.44
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Solution
The fourth proportional to 145,692,790.24, 201,056,583.92 and 79,613,296.44 is: 109,866,640.56
Step by Step Solution
- Step 1: Write the proportion equation
145,692,790.24 : 201,056,583.92 = 79,613,296.44 : x - Step 2: Convert to fraction form
145,692,790.24/201,056,583.92 = 79,613,296.44/x - Step 3: Cross multiply
145,692,790.24x = 201,056,583.92 × 79,613,296.44 - Step 4: Simplify right side
145,692,790.24x = 16,006,777,416,836,696 - Step 5: Solve for x
x = 16,006,777,416,836,696/145,692,790.24 - Step 6: Final answer
x = 109,866,640.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.