Finding the Fourth Proportional to 135,093,178.30, 186,520,101.16 and 85,577,492.74
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Solution
The fourth proportional to 135,093,178.30, 186,520,101.16 and 85,577,492.74 is: 118,154,912.07
Step by Step Solution
- Step 1: Write the proportion equation
135,093,178.30 : 186,520,101.16 = 85,577,492.74 : x - Step 2: Convert to fraction form
135,093,178.30/186,520,101.16 = 85,577,492.74/x - Step 3: Cross multiply
135,093,178.30x = 186,520,101.16 × 85,577,492.74 - Step 4: Simplify right side
135,093,178.30x = 15,961,922,602,883,964 - Step 5: Solve for x
x = 15,961,922,602,883,964/135,093,178.30 - Step 6: Final answer
x = 118,154,912.07
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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.