Finding the Fourth Proportional to 162,882,272.16, 224,775,938.68 and 88,538,409.40
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Solution
The fourth proportional to 162,882,272.16, 224,775,938.68 and 88,538,409.40 is: 122,182,136.94
Step by Step Solution
- Step 1: Write the proportion equation
162,882,272.16 : 224,775,938.68 = 88,538,409.40 : x - Step 2: Convert to fraction form
162,882,272.16/224,775,938.68 = 88,538,409.40/x - Step 3: Cross multiply
162,882,272.16x = 224,775,938.68 × 88,538,409.40 - Step 4: Simplify right side
162,882,272.16x = 19,901,304,082,119,136 - Step 5: Solve for x
x = 19,901,304,082,119,136/162,882,272.16 - Step 6: Final answer
x = 122,182,136.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.