Finding the Fourth Proportional to 198,378,277.65, 297,284,821.92 and 146,152,159.97
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Solution
The fourth proportional to 198,378,277.65, 297,284,821.92 and 146,152,159.97 is: 219,020,042.74
Step by Step Solution
- Step 1: Write the proportion equation
198,378,277.65 : 297,284,821.92 = 146,152,159.97 : x - Step 2: Convert to fraction form
198,378,277.65/297,284,821.92 = 146,152,159.97/x - Step 3: Cross multiply
198,378,277.65x = 297,284,821.92 × 146,152,159.97 - Step 4: Simplify right side
198,378,277.65x = 43,448,818,849,904,808 - Step 5: Solve for x
x = 43,448,818,849,904,808/198,378,277.65 - Step 6: Final answer
x = 219,020,042.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.