Finding the Fourth Proportional to 234,951,425.11, 324,213,985.87 and 135,838,560.70
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Solution
The fourth proportional to 234,951,425.11, 324,213,985.87 and 135,838,560.70 is: 187,446,239.91
Step by Step Solution
- Step 1: Write the proportion equation
234,951,425.11 : 324,213,985.87 = 135,838,560.70 : x - Step 2: Convert to fraction form
234,951,425.11/324,213,985.87 = 135,838,560.70/x - Step 3: Cross multiply
234,951,425.11x = 324,213,985.87 × 135,838,560.70 - Step 4: Simplify right side
234,951,425.11x = 44,040,761,199,390,936 - Step 5: Solve for x
x = 44,040,761,199,390,936/234,951,425.11 - Step 6: Final answer
x = 187,446,239.91
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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.