Finding the Fourth Proportional to 247,411,536.18, 341,407,592.28 and 135,896,613.96
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Solution
The fourth proportional to 247,411,536.18, 341,407,592.28 and 135,896,613.96 is: 187,526,161.83
Step by Step Solution
- Step 1: Write the proportion equation
247,411,536.18 : 341,407,592.28 = 135,896,613.96 : x - Step 2: Convert to fraction form
247,411,536.18/341,407,592.28 = 135,896,613.96/x - Step 3: Cross multiply
247,411,536.18x = 341,407,592.28 × 135,896,613.96 - Step 4: Simplify right side
247,411,536.18x = 46,396,135,771,088,232 - Step 5: Solve for x
x = 46,396,135,771,088,232/247,411,536.18 - Step 6: Final answer
x = 187,526,161.83
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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.