Finding the Fourth Proportional to 66,407,715.63, 99,407,269.05 and 43,328,955.87
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Solution
The fourth proportional to 66,407,715.63, 99,407,269.05 and 43,328,955.87 is: 64,860,131.58
Step by Step Solution
- Step 1: Write the proportion equation
66,407,715.63 : 99,407,269.05 = 43,328,955.87 : x - Step 2: Convert to fraction form
66,407,715.63/99,407,269.05 = 43,328,955.87/x - Step 3: Cross multiply
66,407,715.63x = 99,407,269.05 × 43,328,955.87 - Step 4: Simplify right side
66,407,715.63x = 4,307,213,173,327,630.50 - Step 5: Solve for x
x = 4,307,213,173,327,630.50/66,407,715.63 - Step 6: Final answer
x = 64,860,131.58
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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.