Finding the Fourth Proportional to 49,865,087.40, 74,797,631.10 and 44,658,277.80
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Solution
The fourth proportional to 49,865,087.40, 74,797,631.10 and 44,658,277.80 is: 66,987,416.70
Step by Step Solution
- Step 1: Write the proportion equation
49,865,087.40 : 74,797,631.10 = 44,658,277.80 : x - Step 2: Convert to fraction form
49,865,087.40/74,797,631.10 = 44,658,277.80/x - Step 3: Cross multiply
49,865,087.40x = 74,797,631.10 × 44,658,277.80 - Step 4: Simplify right side
49,865,087.40x = 3,340,333,388,445,719 - Step 5: Solve for x
x = 3,340,333,388,445,719/49,865,087.40 - Step 6: Final answer
x = 66,987,416.70
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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.