Finding the Fourth Proportional to 69,921,962.12, 96,461,696.68 and 66,680,172
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Solution
The fourth proportional to 69,921,962.12, 96,461,696.68 and 66,680,172 is: 91,989,445.53
Step by Step Solution
- Step 1: Write the proportion equation
69,921,962.12 : 96,461,696.68 = 66,680,172 : x - Step 2: Convert to fraction form
69,921,962.12/96,461,696.68 = 66,680,172/x - Step 3: Cross multiply
69,921,962.12x = 96,461,696.68 × 66,680,172 - Step 4: Simplify right side
69,921,962.12x = 6,432,082,526,034,229 - Step 5: Solve for x
x = 6,432,082,526,034,229/69,921,962.12 - Step 6: Final answer
x = 91,989,445.53
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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.