Finding the Fourth Proportional to 145,219,138.10, 203,816,976.70 and 145,219,138.10
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Solution
The fourth proportional to 145,219,138.10, 203,816,976.70 and 145,219,138.10 is: 203,816,976.70
Step by Step Solution
- Step 1: Write the proportion equation
145,219,138.10 : 203,816,976.70 = 145,219,138.10 : x - Step 2: Convert to fraction form
145,219,138.10/203,816,976.70 = 145,219,138.10/x - Step 3: Cross multiply
145,219,138.10x = 203,816,976.70 × 145,219,138.10 - Step 4: Simplify right side
145,219,138.10x = 29,598,125,686,521,780 - Step 5: Solve for x
x = 29,598,125,686,521,780/145,219,138.10 - Step 6: Final answer
x = 203,816,976.70
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.