Finding the Fourth Proportional to 75,403,244.40, 113,104,866.60 and 49,575,211.80
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Solution
The fourth proportional to 75,403,244.40, 113,104,866.60 and 49,575,211.80 is: 74,362,817.70
Step by Step Solution
- Step 1: Write the proportion equation
75,403,244.40 : 113,104,866.60 = 49,575,211.80 : x - Step 2: Convert to fraction form
75,403,244.40/113,104,866.60 = 49,575,211.80/x - Step 3: Cross multiply
75,403,244.40x = 113,104,866.60 × 49,575,211.80 - Step 4: Simplify right side
75,403,244.40x = 5,607,197,717,305,745 - Step 5: Solve for x
x = 5,607,197,717,305,745/75,403,244.40 - Step 6: Final answer
x = 74,362,817.70
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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.