Finding the Fourth Proportional to 74,095,988.78, 102,252,363.84 and 41,058,377.70
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Solution
The fourth proportional to 74,095,988.78, 102,252,363.84 and 41,058,377.70 is: 56,660,505.44
Step by Step Solution
- Step 1: Write the proportion equation
74,095,988.78 : 102,252,363.84 = 41,058,377.70 : x - Step 2: Convert to fraction form
74,095,988.78/102,252,363.84 = 41,058,377.70/x - Step 3: Cross multiply
74,095,988.78x = 102,252,363.84 × 41,058,377.70 - Step 4: Simplify right side
74,095,988.78x = 4,198,316,175,260,543 - Step 5: Solve for x
x = 4,198,316,175,260,543/74,095,988.78 - Step 6: Final answer
x = 56,660,505.44
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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.