Finding the Fourth Proportional to 52,631,437.42, 79,302,460.16 and 43,610,170.15
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Solution
The fourth proportional to 52,631,437.42, 79,302,460.16 and 43,610,170.15 is: 65,709,658.53
Step by Step Solution
- Step 1: Write the proportion equation
52,631,437.42 : 79,302,460.16 = 43,610,170.15 : x - Step 2: Convert to fraction form
52,631,437.42/79,302,460.16 = 43,610,170.15/x - Step 3: Cross multiply
52,631,437.42x = 79,302,460.16 × 43,610,170.15 - Step 4: Simplify right side
52,631,437.42x = 3,458,393,780,891,196 - Step 5: Solve for x
x = 3,458,393,780,891,196/52,631,437.42 - Step 6: Final answer
x = 65,709,658.53
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.