Finding the Fourth Proportional to 257,714,883.08, 355,646,596.82 and 141,821,379.08
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Solution
The fourth proportional to 257,714,883.08, 355,646,596.82 and 141,821,379.08 is: 195,713,535.14
Step by Step Solution
- Step 1: Write the proportion equation
257,714,883.08 : 355,646,596.82 = 141,821,379.08 : x - Step 2: Convert to fraction form
257,714,883.08/355,646,596.82 = 141,821,379.08/x - Step 3: Cross multiply
257,714,883.08x = 355,646,596.82 × 141,821,379.08 - Step 4: Simplify right side
257,714,883.08x = 50,438,290,826,121,144 - Step 5: Solve for x
x = 50,438,290,826,121,144/257,714,883.08 - Step 6: Final answer
x = 195,713,535.14
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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.