Finding the Fourth Proportional to 65,071,163.20, 97,578,751.20 and 32,710,561.60
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Solution
The fourth proportional to 65,071,163.20, 97,578,751.20 and 32,710,561.60 is: 49,051,770.32
Step by Step Solution
- Step 1: Write the proportion equation
65,071,163.20 : 97,578,751.20 = 32,710,561.60 : x - Step 2: Convert to fraction form
65,071,163.20/97,578,751.20 = 32,710,561.60/x - Step 3: Cross multiply
65,071,163.20x = 97,578,751.20 × 32,710,561.60 - Step 4: Simplify right side
65,071,163.20x = 3,191,855,751,978,674 - Step 5: Solve for x
x = 3,191,855,751,978,674/65,071,163.20 - Step 6: Final answer
x = 49,051,770.32
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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.