Finding the Fourth Proportional to 69,921,961.62, 96,461,695.99 and 66,680,171.50
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Solution
The fourth proportional to 69,921,961.62, 96,461,695.99 and 66,680,171.50 is: 91,989,444.84
Step by Step Solution
- Step 1: Write the proportion equation
69,921,961.62 : 96,461,695.99 = 66,680,171.50 : x - Step 2: Convert to fraction form
69,921,961.62/96,461,695.99 = 66,680,171.50/x - Step 3: Cross multiply
69,921,961.62x = 96,461,695.99 × 66,680,171.50 - Step 4: Simplify right side
69,921,961.62x = 6,432,082,431,794,062 - Step 5: Solve for x
x = 6,432,082,431,794,062/69,921,961.62 - Step 6: Final answer
x = 91,989,444.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.