Finding the Fourth Proportional to 99,739,097.09, 149,478,876.56 and 40,582,536.78
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Solution
The fourth proportional to 99,739,097.09, 149,478,876.56 and 40,582,536.78 is: 60,821,003.83
Step by Step Solution
- Step 1: Write the proportion equation
99,739,097.09 : 149,478,876.56 = 40,582,536.78 : x - Step 2: Convert to fraction form
99,739,097.09/149,478,876.56 = 40,582,536.78/x - Step 3: Cross multiply
99,739,097.09x = 149,478,876.56 × 40,582,536.78 - Step 4: Simplify right side
99,739,097.09x = 6,066,232,005,626,368 - Step 5: Solve for x
x = 6,066,232,005,626,368/99,739,097.09 - Step 6: Final answer
x = 60,821,003.83
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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.