Finding the Fourth Proportional to 74,804,322.63, 112,109,157.14 and 30,436,902.41
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Solution
The fourth proportional to 74,804,322.63, 112,109,157.14 and 30,436,902.41 is: 45,615,752.60
Step by Step Solution
- Step 1: Write the proportion equation
74,804,322.63 : 112,109,157.14 = 30,436,902.41 : x - Step 2: Convert to fraction form
74,804,322.63/112,109,157.14 = 30,436,902.41/x - Step 3: Cross multiply
74,804,322.63x = 112,109,157.14 × 30,436,902.41 - Step 4: Simplify right side
74,804,322.63x = 3,412,255,474,424,804.50 - Step 5: Solve for x
x = 3,412,255,474,424,804.50/74,804,322.63 - Step 6: Final answer
x = 45,615,752.60
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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.