Finding the Fourth Proportional to 91,932,051.48, 126,867,086.80 and 50,680,420.08
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Solution
The fourth proportional to 91,932,051.48, 126,867,086.80 and 50,680,420.08 is: 69,939,451.47
Step by Step Solution
- Step 1: Write the proportion equation
91,932,051.48 : 126,867,086.80 = 50,680,420.08 : x - Step 2: Convert to fraction form
91,932,051.48/126,867,086.80 = 50,680,420.08/x - Step 3: Cross multiply
91,932,051.48x = 126,867,086.80 × 50,680,420.08 - Step 4: Simplify right side
91,932,051.48x = 6,429,677,253,349,823 - Step 5: Solve for x
x = 6,429,677,253,349,823/91,932,051.48 - Step 6: Final answer
x = 69,939,451.47
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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.