Finding the Fourth Proportional to 136,478,201.80, 204,717,302.70 and 122,873,312.20
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Solution
The fourth proportional to 136,478,201.80, 204,717,302.70 and 122,873,312.20 is: 184,309,968.30
Step by Step Solution
- Step 1: Write the proportion equation
136,478,201.80 : 204,717,302.70 = 122,873,312.20 : x - Step 2: Convert to fraction form
136,478,201.80/204,717,302.70 = 122,873,312.20/x - Step 3: Cross multiply
136,478,201.80x = 204,717,302.70 × 122,873,312.20 - Step 4: Simplify right side
136,478,201.80x = 25,154,293,047,399,004 - Step 5: Solve for x
x = 25,154,293,047,399,004/136,478,201.80 - Step 6: Final answer
x = 184,309,968.30
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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.