Finding the Fourth Proportional to 71,631,306.40, 107,407,561.20 and 48,937,828
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Solution
The fourth proportional to 71,631,306.40, 107,407,561.20 and 48,937,828 is: 73,379,825.39
Step by Step Solution
- Step 1: Write the proportion equation
71,631,306.40 : 107,407,561.20 = 48,937,828 : x - Step 2: Convert to fraction form
71,631,306.40/107,407,561.20 = 48,937,828/x - Step 3: Cross multiply
71,631,306.40x = 107,407,561.20 × 48,937,828 - Step 4: Simplify right side
71,631,306.40x = 5,256,292,755,905,074 - Step 5: Solve for x
x = 5,256,292,755,905,074/71,631,306.40 - Step 6: Final answer
x = 73,379,825.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.