Finding the Fourth Proportional to 149,414,141.40, 224,121,212.10 and 91,719,331.80
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Solution
The fourth proportional to 149,414,141.40, 224,121,212.10 and 91,719,331.80 is: 137,578,997.70
Step by Step Solution
- Step 1: Write the proportion equation
149,414,141.40 : 224,121,212.10 = 91,719,331.80 : x - Step 2: Convert to fraction form
149,414,141.40/224,121,212.10 = 91,719,331.80/x - Step 3: Cross multiply
149,414,141.40x = 224,121,212.10 × 91,719,331.80 - Step 4: Simplify right side
149,414,141.40x = 20,556,247,816,018,072 - Step 5: Solve for x
x = 20,556,247,816,018,072/149,414,141.40 - Step 6: Final answer
x = 137,578,997.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.