Finding the Fourth Proportional to 197,993,023.68, 273,226,260.48 and 109,881,903.36
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Solution
The fourth proportional to 197,993,023.68, 273,226,260.48 and 109,881,903.36 is: 151,634,744.45
Step by Step Solution
- Step 1: Write the proportion equation
197,993,023.68 : 273,226,260.48 = 109,881,903.36 : x - Step 2: Convert to fraction form
197,993,023.68/273,226,260.48 = 109,881,903.36/x - Step 3: Cross multiply
197,993,023.68x = 273,226,260.48 × 109,881,903.36 - Step 4: Simplify right side
197,993,023.68x = 30,022,621,549,477,548 - Step 5: Solve for x
x = 30,022,621,549,477,548/197,993,023.68 - Step 6: Final answer
x = 151,634,744.45
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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.