Finding the Fourth Proportional to 72,330,553.44, 99,816,202.63 and 39,737,604.96
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Solution
The fourth proportional to 72,330,553.44, 99,816,202.63 and 39,737,604.96 is: 54,837,916.20
Step by Step Solution
- Step 1: Write the proportion equation
72,330,553.44 : 99,816,202.63 = 39,737,604.96 : x - Step 2: Convert to fraction form
72,330,553.44/99,816,202.63 = 39,737,604.96/x - Step 3: Cross multiply
72,330,553.44x = 99,816,202.63 × 39,737,604.96 - Step 4: Simplify right side
72,330,553.44x = 3,966,456,828,519,565 - Step 5: Solve for x
x = 3,966,456,828,519,565/72,330,553.44 - Step 6: Final answer
x = 54,837,916.20
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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.