Finding the Fourth Proportional to 49,698,578.32, 68,583,219.20 and 29,075,518.24
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Solution
The fourth proportional to 49,698,578.32, 68,583,219.20 and 29,075,518.24 is: 40,123,736.09
Step by Step Solution
- Step 1: Write the proportion equation
49,698,578.32 : 68,583,219.20 = 29,075,518.24 : x - Step 2: Convert to fraction form
49,698,578.32/68,583,219.20 = 29,075,518.24/x - Step 3: Cross multiply
49,698,578.32x = 68,583,219.20 × 29,075,518.24 - Step 4: Simplify right side
49,698,578.32x = 1,994,092,640,807,518.25 - Step 5: Solve for x
x = 1,994,092,640,807,518.25/49,698,578.32 - Step 6: Final answer
x = 40,123,736.09
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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.