Finding the Fourth Proportional to 214,335,302.72, 321,097,286.40 and 126,634,548.48
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Solution
The fourth proportional to 214,335,302.72, 321,097,286.40 and 126,634,548.48 is: 189,712,144.32
Step by Step Solution
- Step 1: Write the proportion equation
214,335,302.72 : 321,097,286.40 = 126,634,548.48 : x - Step 2: Convert to fraction form
214,335,302.72/321,097,286.40 = 126,634,548.48/x - Step 3: Cross multiply
214,335,302.72x = 321,097,286.40 × 126,634,548.48 - Step 4: Simplify right side
214,335,302.72x = 40,662,009,881,417,240 - Step 5: Solve for x
x = 40,662,009,881,417,240/214,335,302.72 - Step 6: Final answer
x = 189,712,144.32
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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.