Finding the Fourth Proportional to 53,583,828.68, 80,274,326.10 and 31,658,640.12
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Solution
The fourth proportional to 53,583,828.68, 80,274,326.10 and 31,658,640.12 is: 47,428,040.58
Step by Step Solution
- Step 1: Write the proportion equation
53,583,828.68 : 80,274,326.10 = 31,658,640.12 : x - Step 2: Convert to fraction form
53,583,828.68/80,274,326.10 = 31,658,640.12/x - Step 3: Cross multiply
53,583,828.68x = 80,274,326.10 × 31,658,640.12 - Step 4: Simplify right side
53,583,828.68x = 2,541,376,000,875,423 - Step 5: Solve for x
x = 2,541,376,000,875,423/53,583,828.68 - Step 6: Final answer
x = 47,428,040.58
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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.