Finding the Fourth Proportional to 81,295,698.44, 112,169,539.86 and 48,238,872.68
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Solution
The fourth proportional to 81,295,698.44, 112,169,539.86 and 48,238,872.68 is: 66,558,652.62
Step by Step Solution
- Step 1: Write the proportion equation
81,295,698.44 : 112,169,539.86 = 48,238,872.68 : x - Step 2: Convert to fraction form
81,295,698.44/112,169,539.86 = 48,238,872.68/x - Step 3: Cross multiply
81,295,698.44x = 112,169,539.86 × 48,238,872.68 - Step 4: Simplify right side
81,295,698.44x = 5,410,932,151,880,725 - Step 5: Solve for x
x = 5,410,932,151,880,725/81,295,698.44 - Step 6: Final answer
x = 66,558,652.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.