Finding the Fourth Proportional to 87,817,120.44, 121,187,768.66 and 48,118,342.82
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Solution
The fourth proportional to 87,817,120.44, 121,187,768.66 and 48,118,342.82 is: 66,403,391.15
Step by Step Solution
- Step 1: Write the proportion equation
87,817,120.44 : 121,187,768.66 = 48,118,342.82 : x - Step 2: Convert to fraction form
87,817,120.44/121,187,768.66 = 48,118,342.82/x - Step 3: Cross multiply
87,817,120.44x = 121,187,768.66 × 48,118,342.82 - Step 4: Simplify right side
87,817,120.44x = 5,831,354,597,972,732 - Step 5: Solve for x
x = 5,831,354,597,972,732/87,817,120.44 - Step 6: Final answer
x = 66,403,391.15
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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.