Finding the Fourth Proportional to 88,409,882.16, 121,121,970.64 and 85,096,304
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Solution
The fourth proportional to 88,409,882.16, 121,121,970.64 and 85,096,304 is: 116,582,352.37
Step by Step Solution
- Step 1: Write the proportion equation
88,409,882.16 : 121,121,970.64 = 85,096,304 : x - Step 2: Convert to fraction form
88,409,882.16/121,121,970.64 = 85,096,304/x - Step 3: Cross multiply
88,409,882.16x = 121,121,970.64 × 85,096,304 - Step 4: Simplify right side
88,409,882.16x = 10,307,032,034,660,514 - Step 5: Solve for x
x = 10,307,032,034,660,514/88,409,882.16 - Step 6: Final answer
x = 116,582,352.37
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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.