Finding the Fourth Proportional to 129,080,062.05, 178,125,302.58 and 70,341,475.26
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Solution
The fourth proportional to 129,080,062.05, 178,125,302.58 and 70,341,475.26 is: 97,068,411.38
Step by Step Solution
- Step 1: Write the proportion equation
129,080,062.05 : 178,125,302.58 = 70,341,475.26 : x - Step 2: Convert to fraction form
129,080,062.05/178,125,302.58 = 70,341,475.26/x - Step 3: Cross multiply
129,080,062.05x = 178,125,302.58 × 70,341,475.26 - Step 4: Simplify right side
129,080,062.05x = 12,529,596,564,611,086 - Step 5: Solve for x
x = 12,529,596,564,611,086/129,080,062.05 - Step 6: Final answer
x = 97,068,411.38
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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.