Finding the Fourth Proportional to 299,274,549.12, 413,006,973.12 and 181,772,933.76
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Solution
The fourth proportional to 299,274,549.12, 413,006,973.12 and 181,772,933.76 is: 250,851,565.52
Step by Step Solution
- Step 1: Write the proportion equation
299,274,549.12 : 413,006,973.12 = 181,772,933.76 : x - Step 2: Convert to fraction form
299,274,549.12/413,006,973.12 = 181,772,933.76/x - Step 3: Cross multiply
299,274,549.12x = 413,006,973.12 × 181,772,933.76 - Step 4: Simplify right side
299,274,549.12x = 75,073,489,167,359,856 - Step 5: Solve for x
x = 75,073,489,167,359,856/299,274,549.12 - Step 6: Final answer
x = 250,851,565.52
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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.