Finding the Fourth Proportional to 311,554,574.67, 467,318,871.23 and 81,518,566.35
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Solution
The fourth proportional to 311,554,574.67, 467,318,871.23 and 81,518,566.35 is: 122,274,450.48
Step by Step Solution
- Step 1: Write the proportion equation
311,554,574.67 : 467,318,871.23 = 81,518,566.35 : x - Step 2: Convert to fraction form
311,554,574.67/467,318,871.23 = 81,518,566.35/x - Step 3: Cross multiply
311,554,574.67x = 467,318,871.23 × 81,518,566.35 - Step 4: Simplify right side
311,554,574.67x = 38,095,164,412,775,416 - Step 5: Solve for x
x = 38,095,164,412,775,416/311,554,574.67 - Step 6: Final answer
x = 122,274,450.48
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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.