Finding the Fourth Proportional to 88,410,388.11, 121,122,670.75 and 85,096,811.96
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Solution
The fourth proportional to 88,410,388.11, 121,122,670.75 and 85,096,811.96 is: 116,583,054.97
Step by Step Solution
- Step 1: Write the proportion equation
88,410,388.11 : 121,122,670.75 = 85,096,811.96 : x - Step 2: Convert to fraction form
88,410,388.11/121,122,670.75 = 85,096,811.96/x - Step 3: Cross multiply
88,410,388.11x = 121,122,670.75 × 85,096,811.96 - Step 4: Simplify right side
88,410,388.11x = 10,307,153,136,905,742 - Step 5: Solve for x
x = 10,307,153,136,905,742/88,410,388.11 - Step 6: Final answer
x = 116,583,054.97
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.