Finding the Fourth Proportional to 103,997,319.84, 143,514,537.12 and 57,586,577.76
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Solution
The fourth proportional to 103,997,319.84, 143,514,537.12 and 57,586,577.76 is: 79,468,500.38
Step by Step Solution
- Step 1: Write the proportion equation
103,997,319.84 : 143,514,537.12 = 57,586,577.76 : x - Step 2: Convert to fraction form
103,997,319.84/143,514,537.12 = 57,586,577.76/x - Step 3: Cross multiply
103,997,319.84x = 143,514,537.12 × 57,586,577.76 - Step 4: Simplify right side
103,997,319.84x = 8,264,511,051,551,286 - Step 5: Solve for x
x = 8,264,511,051,551,286/103,997,319.84 - Step 6: Final answer
x = 79,468,500.38
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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.