Finding the Fourth Proportional to 186,421,528.29, 257,371,939.41 and 165,737,745.81
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Solution
The fourth proportional to 186,421,528.29, 257,371,939.41 and 165,737,745.81 is: 228,816,089.34
Step by Step Solution
- Step 1: Write the proportion equation
186,421,528.29 : 257,371,939.41 = 165,737,745.81 : x - Step 2: Convert to fraction form
186,421,528.29/257,371,939.41 = 165,737,745.81/x - Step 3: Cross multiply
186,421,528.29x = 257,371,939.41 × 165,737,745.81 - Step 4: Simplify right side
186,421,528.29x = 42,656,245,071,732,616 - Step 5: Solve for x
x = 42,656,245,071,732,616/186,421,528.29 - Step 6: Final answer
x = 228,816,089.34
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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.