Finding the Fourth Proportional to 52,442,935.20, 72,371,553.84 and 29,239,506.72
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Solution
The fourth proportional to 52,442,935.20, 72,371,553.84 and 29,239,506.72 is: 40,350,688.36
Step by Step Solution
- Step 1: Write the proportion equation
52,442,935.20 : 72,371,553.84 = 29,239,506.72 : x - Step 2: Convert to fraction form
52,442,935.20/72,371,553.84 = 29,239,506.72/x - Step 3: Cross multiply
52,442,935.20x = 72,371,553.84 × 29,239,506.72 - Step 4: Simplify right side
52,442,935.20x = 2,116,108,534,841,521.75 - Step 5: Solve for x
x = 2,116,108,534,841,521.75/52,442,935.20 - Step 6: Final answer
x = 40,350,688.36
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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.