Finding the Fourth Proportional to 141,540,384.70, 212,310,577.05 and 45,802,272.70
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Solution
The fourth proportional to 141,540,384.70, 212,310,577.05 and 45,802,272.70 is: 68,703,409.05
Step by Step Solution
- Step 1: Write the proportion equation
141,540,384.70 : 212,310,577.05 = 45,802,272.70 : x - Step 2: Convert to fraction form
141,540,384.70/212,310,577.05 = 45,802,272.70/x - Step 3: Cross multiply
141,540,384.70x = 212,310,577.05 × 45,802,272.70 - Step 4: Simplify right side
141,540,384.70x = 9,724,306,947,138,462 - Step 5: Solve for x
x = 9,724,306,947,138,462/141,540,384.70 - Step 6: Final answer
x = 68,703,409.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.