Finding the Fourth Proportional to 49,803,450.36, 68,728,853.21 and 27,778,369.41
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Solution
The fourth proportional to 49,803,450.36, 68,728,853.21 and 27,778,369.41 is: 38,334,200.93
Step by Step Solution
- Step 1: Write the proportion equation
49,803,450.36 : 68,728,853.21 = 27,778,369.41 : x - Step 2: Convert to fraction form
49,803,450.36/68,728,853.21 = 27,778,369.41/x - Step 3: Cross multiply
49,803,450.36x = 68,728,853.21 × 27,778,369.41 - Step 4: Simplify right side
49,803,450.36x = 1,909,175,473,417,071.25 - Step 5: Solve for x
x = 1,909,175,473,417,071.25/49,803,450.36 - Step 6: Final answer
x = 38,334,200.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.