Finding the Fourth Proportional to 179,886,193.35, 248,243,739.06 and 97,379,978.10
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Solution
The fourth proportional to 179,886,193.35, 248,243,739.06 and 97,379,978.10 is: 134,384,798.65
Step by Step Solution
- Step 1: Write the proportion equation
179,886,193.35 : 248,243,739.06 = 97,379,978.10 : x - Step 2: Convert to fraction form
179,886,193.35/248,243,739.06 = 97,379,978.10/x - Step 3: Cross multiply
179,886,193.35x = 248,243,739.06 × 97,379,978.10 - Step 4: Simplify right side
179,886,193.35x = 24,173,969,873,124,912 - Step 5: Solve for x
x = 24,173,969,873,124,912/179,886,193.35 - Step 6: Final answer
x = 134,384,798.65
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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.