Finding the Fourth Proportional to 57,635,152.77, 79,537,138.20 and 31,529,110.08
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Solution
The fourth proportional to 57,635,152.77, 79,537,138.20 and 31,529,110.08 is: 43,510,515.12
Step by Step Solution
- Step 1: Write the proportion equation
57,635,152.77 : 79,537,138.20 = 31,529,110.08 : x - Step 2: Convert to fraction form
57,635,152.77/79,537,138.20 = 31,529,110.08/x - Step 3: Cross multiply
57,635,152.77x = 79,537,138.20 × 31,529,110.08 - Step 4: Simplify right side
57,635,152.77x = 2,507,735,185,755,973 - Step 5: Solve for x
x = 2,507,735,185,755,973/57,635,152.77 - Step 6: Final answer
x = 43,510,515.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.