Finding the Fourth Proportional to 88,409,876.12, 121,121,962.42 and 85,096,298
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Solution
The fourth proportional to 88,409,876.12, 121,121,962.42 and 85,096,298 is: 116,582,344.20
Step by Step Solution
- Step 1: Write the proportion equation
88,409,876.12 : 121,121,962.42 = 85,096,298 : x - Step 2: Convert to fraction form
88,409,876.12/121,121,962.42 = 85,096,298/x - Step 3: Cross multiply
88,409,876.12x = 121,121,962.42 × 85,096,298 - Step 4: Simplify right side
88,409,876.12x = 10,307,030,608,437,122 - Step 5: Solve for x
x = 10,307,030,608,437,122/88,409,876.12 - Step 6: Final answer
x = 116,582,344.20
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.