Finding the Fourth Proportional to 197,569,561.46, 296,239,468.73 and 74,757,366.09
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Solution
The fourth proportional to 197,569,561.46, 296,239,468.73 and 74,757,366.09 is: 112,092,582.74
Step by Step Solution
- Step 1: Write the proportion equation
197,569,561.46 : 296,239,468.73 = 74,757,366.09 : x - Step 2: Convert to fraction form
197,569,561.46/296,239,468.73 = 74,757,366.09/x - Step 3: Cross multiply
197,569,561.46x = 296,239,468.73 × 74,757,366.09 - Step 4: Simplify right side
197,569,561.46x = 22,146,082,413,781,932 - Step 5: Solve for x
x = 22,146,082,413,781,932/197,569,561.46 - Step 6: Final answer
x = 112,092,582.74
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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.