Finding the Fourth Proportional to 68,553,550.80, 94,603,889.88 and 39,185,513.91
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Solution
The fourth proportional to 68,553,550.80, 94,603,889.88 and 39,185,513.91 is: 54,076,003.35
Step by Step Solution
- Step 1: Write the proportion equation
68,553,550.80 : 94,603,889.88 = 39,185,513.91 : x - Step 2: Convert to fraction form
68,553,550.80/94,603,889.88 = 39,185,513.91/x - Step 3: Cross multiply
68,553,550.80x = 94,603,889.88 × 39,185,513.91 - Step 4: Simplify right side
68,553,550.80x = 3,707,102,042,832,847.50 - Step 5: Solve for x
x = 3,707,102,042,832,847.50/68,553,550.80 - Step 6: Final answer
x = 54,076,003.35
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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.