Finding the Fourth Proportional to 149,691,331.40, 224,536,997.10 and 91,996,521.80
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Solution
The fourth proportional to 149,691,331.40, 224,536,997.10 and 91,996,521.80 is: 137,994,782.70
Step by Step Solution
- Step 1: Write the proportion equation
149,691,331.40 : 224,536,997.10 = 91,996,521.80 : x - Step 2: Convert to fraction form
149,691,331.40/224,536,997.10 = 91,996,521.80/x - Step 3: Cross multiply
149,691,331.40x = 224,536,997.10 × 91,996,521.80 - Step 4: Simplify right side
149,691,331.40x = 20,656,622,748,616,684 - Step 5: Solve for x
x = 20,656,622,748,616,684/149,691,331.40 - Step 6: Final answer
x = 137,994,782.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.