Finding the Fourth Proportional to 177,620,806.20, 266,053,295.70 and 147,387,718.20
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Solution
The fourth proportional to 177,620,806.20, 266,053,295.70 and 147,387,718.20 is: 220,767,988.91
Step by Step Solution
- Step 1: Write the proportion equation
177,620,806.20 : 266,053,295.70 = 147,387,718.20 : x - Step 2: Convert to fraction form
177,620,806.20/266,053,295.70 = 147,387,718.20/x - Step 3: Cross multiply
177,620,806.20x = 266,053,295.70 × 147,387,718.20 - Step 4: Simplify right side
177,620,806.20x = 39,212,988,172,812,864 - Step 5: Solve for x
x = 39,212,988,172,812,864/177,620,806.20 - Step 6: Final answer
x = 220,767,988.91
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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.