Finding the Fourth Proportional to 78,328,596.48, 117,492,872.71 and 24,475,908.48
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Solution
The fourth proportional to 78,328,596.48, 117,492,872.71 and 24,475,908.48 is: 36,713,855.84
Step by Step Solution
- Step 1: Write the proportion equation
78,328,596.48 : 117,492,872.71 = 24,475,908.48 : x - Step 2: Convert to fraction form
78,328,596.48/117,492,872.71 = 24,475,908.48/x - Step 3: Cross multiply
78,328,596.48x = 117,492,872.71 × 24,475,908.48 - Step 4: Simplify right side
78,328,596.48x = 2,875,744,798,914,785 - Step 5: Solve for x
x = 2,875,744,798,914,785/78,328,596.48 - Step 6: Final answer
x = 36,713,855.84
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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.