Finding the Fourth Proportional to 66,407,690.57, 99,407,231.64 and 43,328,930.99
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Solution
The fourth proportional to 66,407,690.57, 99,407,231.64 and 43,328,930.99 is: 64,860,094.40
Step by Step Solution
- Step 1: Write the proportion equation
66,407,690.57 : 99,407,231.64 = 43,328,930.99 : x - Step 2: Convert to fraction form
66,407,690.57/99,407,231.64 = 43,328,930.99/x - Step 3: Cross multiply
66,407,690.57x = 99,407,231.64 × 43,328,930.99 - Step 4: Simplify right side
66,407,690.57x = 4,307,209,079,139,468.50 - Step 5: Solve for x
x = 4,307,209,079,139,468.50/66,407,690.57 - Step 6: Final answer
x = 64,860,094.40
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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.