Finding the Fourth Proportional to 251,482,342.20, 377,223,513.30 and 239,578,063.80
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Solution
The fourth proportional to 251,482,342.20, 377,223,513.30 and 239,578,063.80 is: 359,367,095.70
Step by Step Solution
- Step 1: Write the proportion equation
251,482,342.20 : 377,223,513.30 = 239,578,063.80 : x - Step 2: Convert to fraction form
251,482,342.20/377,223,513.30 = 239,578,063.80/x - Step 3: Cross multiply
251,482,342.20x = 377,223,513.30 × 239,578,063.80 - Step 4: Simplify right side
251,482,342.20x = 90,374,478,936,247,552 - Step 5: Solve for x
x = 90,374,478,936,247,552/251,482,342.20 - Step 6: Final answer
x = 359,367,095.70
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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.