Finding the Fourth Proportional to 72,385,891.29, 108,656,183.84 and 29,283,270.57
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Solution
The fourth proportional to 72,385,891.29, 108,656,183.84 and 29,283,270.57 is: 43,956,196.07
Step by Step Solution
- Step 1: Write the proportion equation
72,385,891.29 : 108,656,183.84 = 29,283,270.57 : x - Step 2: Convert to fraction form
72,385,891.29/108,656,183.84 = 29,283,270.57/x - Step 3: Cross multiply
72,385,891.29x = 108,656,183.84 × 29,283,270.57 - Step 4: Simplify right side
72,385,891.29x = 3,181,808,430,343,965 - Step 5: Solve for x
x = 3,181,808,430,343,965/72,385,891.29 - Step 6: Final answer
x = 43,956,196.07
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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.