Finding the Fourth Proportional to 75,946,152.51, 104,806,193.49 and 41,138,842.53
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Solution
The fourth proportional to 75,946,152.51, 104,806,193.49 and 41,138,842.53 is: 56,771,875.17
Step by Step Solution
- Step 1: Write the proportion equation
75,946,152.51 : 104,806,193.49 = 41,138,842.53 : x - Step 2: Convert to fraction form
75,946,152.51/104,806,193.49 = 41,138,842.53/x - Step 3: Cross multiply
75,946,152.51x = 104,806,193.49 × 41,138,842.53 - Step 4: Simplify right side
75,946,152.51x = 4,311,605,490,153,821 - Step 5: Solve for x
x = 4,311,605,490,153,821/75,946,152.51 - Step 6: Final answer
x = 56,771,875.17
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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.