Finding the Fourth Proportional to 149,463,323.40, 224,194,985.10 and 91,768,513.80
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Solution
The fourth proportional to 149,463,323.40, 224,194,985.10 and 91,768,513.80 is: 137,652,770.70
Step by Step Solution
- Step 1: Write the proportion equation
149,463,323.40 : 224,194,985.10 = 91,768,513.80 : x - Step 2: Convert to fraction form
149,463,323.40/224,194,985.10 = 91,768,513.80/x - Step 3: Cross multiply
149,463,323.40x = 224,194,985.10 × 91,768,513.80 - Step 4: Simplify right side
149,463,323.40x = 20,574,040,584,040,144 - Step 5: Solve for x
x = 20,574,040,584,040,144/149,463,323.40 - Step 6: Final answer
x = 137,652,770.70
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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.