Finding the Fourth Proportional to 248,565,942.78, 372,956,432.56 and 133,415,964.12
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Solution
The fourth proportional to 248,565,942.78, 372,956,432.56 and 133,415,964.12 is: 200,181,655.89
Step by Step Solution
- Step 1: Write the proportion equation
248,565,942.78 : 372,956,432.56 = 133,415,964.12 : x - Step 2: Convert to fraction form
248,565,942.78/372,956,432.56 = 133,415,964.12/x - Step 3: Cross multiply
248,565,942.78x = 372,956,432.56 × 133,415,964.12 - Step 4: Simplify right side
248,565,942.78x = 49,758,342,024,748,160 - Step 5: Solve for x
x = 49,758,342,024,748,160/248,565,942.78 - Step 6: Final answer
x = 200,181,655.89
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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.