Finding the Fourth Proportional to 199,242,601.12, 274,961,626.68 and 115,604,416
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Solution
The fourth proportional to 199,242,601.12, 274,961,626.68 and 115,604,416 is: 159,538,061.12
Step by Step Solution
- Step 1: Write the proportion equation
199,242,601.12 : 274,961,626.68 = 115,604,416 : x - Step 2: Convert to fraction form
199,242,601.12/274,961,626.68 = 115,604,416/x - Step 3: Cross multiply
199,242,601.12x = 274,961,626.68 × 115,604,416 - Step 4: Simplify right side
199,242,601.12x = 31,786,778,274,751,420 - Step 5: Solve for x
x = 31,786,778,274,751,420/199,242,601.12 - Step 6: Final answer
x = 159,538,061.12
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1.5x scale
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.