Finding the Fourth Proportional to 202,274,346.60, 303,411,519.90 and 72,886,177.80
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Solution
The fourth proportional to 202,274,346.60, 303,411,519.90 and 72,886,177.80 is: 109,329,266.70
Step by Step Solution
- Step 1: Write the proportion equation
202,274,346.60 : 303,411,519.90 = 72,886,177.80 : x - Step 2: Convert to fraction form
202,274,346.60/303,411,519.90 = 72,886,177.80/x - Step 3: Cross multiply
202,274,346.60x = 303,411,519.90 × 72,886,177.80 - Step 4: Simplify right side
202,274,346.60x = 22,114,505,985,999,636 - Step 5: Solve for x
x = 22,114,505,985,999,636/202,274,346.60 - Step 6: Final answer
x = 109,329,266.70
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1.5x scale
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.