Finding the Fourth Proportional to 115,958,590.12, 160,013,342.12 and 68,266,274.48
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Solution
The fourth proportional to 115,958,590.12, 160,013,342.12 and 68,266,274.48 is: 94,201,858.80
Step by Step Solution
- Step 1: Write the proportion equation
115,958,590.12 : 160,013,342.12 = 68,266,274.48 : x - Step 2: Convert to fraction form
115,958,590.12/160,013,342.12 = 68,266,274.48/x - Step 3: Cross multiply
115,958,590.12x = 160,013,342.12 × 68,266,274.48 - Step 4: Simplify right side
115,958,590.12x = 10,923,514,733,626,066 - Step 5: Solve for x
x = 10,923,514,733,626,066/115,958,590.12 - Step 6: Final answer
x = 94,201,858.80
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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.