Finding the Fourth Proportional to 236,181,838.46, 325,931,076.88 and 131,759,910.14
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Solution
The fourth proportional to 236,181,838.46, 325,931,076.88 and 131,759,910.14 is: 181,828,753.99
Step by Step Solution
- Step 1: Write the proportion equation
236,181,838.46 : 325,931,076.88 = 131,759,910.14 : x - Step 2: Convert to fraction form
236,181,838.46/325,931,076.88 = 131,759,910.14/x - Step 3: Cross multiply
236,181,838.46x = 325,931,076.88 × 131,759,910.14 - Step 4: Simplify right side
236,181,838.46x = 42,944,649,401,542,232 - Step 5: Solve for x
x = 42,944,649,401,542,232/236,181,838.46 - Step 6: Final answer
x = 181,828,753.99
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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.