Finding the Fourth Proportional to 271,049,476.15, 374,020,119.68 and 159,533,666.42
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Solution
The fourth proportional to 271,049,476.15, 374,020,119.68 and 159,533,666.42 is: 220,139,886.84
Step by Step Solution
- Step 1: Write the proportion equation
271,049,476.15 : 374,020,119.68 = 159,533,666.42 : x - Step 2: Convert to fraction form
271,049,476.15/374,020,119.68 = 159,533,666.42/x - Step 3: Cross multiply
271,049,476.15x = 374,020,119.68 × 159,533,666.42 - Step 4: Simplify right side
271,049,476.15x = 59,668,801,006,599,928 - Step 5: Solve for x
x = 59,668,801,006,599,928/271,049,476.15 - Step 6: Final answer
x = 220,139,886.84
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1.5x scale
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.