Finding the Fourth Proportional to 292,263,734.96, 403,320,743.06 and 158,298,318.26
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Solution
The fourth proportional to 292,263,734.96, 403,320,743.06 and 158,298,318.26 is: 218,449,939.92
Step by Step Solution
- Step 1: Write the proportion equation
292,263,734.96 : 403,320,743.06 = 158,298,318.26 : x - Step 2: Convert to fraction form
292,263,734.96/403,320,743.06 = 158,298,318.26/x - Step 3: Cross multiply
292,263,734.96x = 403,320,743.06 × 158,298,318.26 - Step 4: Simplify right side
292,263,734.96x = 63,844,995,342,963,472 - Step 5: Solve for x
x = 63,844,995,342,963,472/292,263,734.96 - Step 6: Final answer
x = 218,449,939.92
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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.