Finding the Fourth Proportional to 218,548,082.10, 301,613,545.71 and 124,466,207.34
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Solution
The fourth proportional to 218,548,082.10, 301,613,545.71 and 124,466,207.34 is: 171,773,157.45
Step by Step Solution
- Step 1: Write the proportion equation
218,548,082.10 : 301,613,545.71 = 124,466,207.34 : x - Step 2: Convert to fraction form
218,548,082.10/301,613,545.71 = 124,466,207.34/x - Step 3: Cross multiply
218,548,082.10x = 301,613,545.71 × 124,466,207.34 - Step 4: Simplify right side
218,548,082.10x = 37,540,694,116,893,424 - Step 5: Solve for x
x = 37,540,694,116,893,424/218,548,082.10 - Step 6: Final answer
x = 171,773,157.45
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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.