Finding the Fourth Proportional to 74,325,235.40, 111,487,853.10 and 48,497,202.80
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Solution
The fourth proportional to 74,325,235.40, 111,487,853.10 and 48,497,202.80 is: 72,745,804.20
Step by Step Solution
- Step 1: Write the proportion equation
74,325,235.40 : 111,487,853.10 = 48,497,202.80 : x - Step 2: Convert to fraction form
74,325,235.40/111,487,853.10 = 48,497,202.80/x - Step 3: Cross multiply
74,325,235.40x = 111,487,853.10 × 48,497,202.80 - Step 4: Simplify right side
74,325,235.40x = 5,406,849,021,527,308 - Step 5: Solve for x
x = 5,406,849,021,527,308/74,325,235.40 - Step 6: Final answer
x = 72,745,804.20
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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.