Finding the Fourth Proportional to 298,492,091.70, 447,738,137.55 and 91,230,101.70
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Solution
The fourth proportional to 298,492,091.70, 447,738,137.55 and 91,230,101.70 is: 136,845,152.55
Step by Step Solution
- Step 1: Write the proportion equation
298,492,091.70 : 447,738,137.55 = 91,230,101.70 : x - Step 2: Convert to fraction form
298,492,091.70/447,738,137.55 = 91,230,101.70/x - Step 3: Cross multiply
298,492,091.70x = 447,738,137.55 × 91,230,101.70 - Step 4: Simplify right side
298,492,091.70x = 40,847,195,823,655,088 - Step 5: Solve for x
x = 40,847,195,823,655,088/298,492,091.70 - Step 6: Final answer
x = 136,845,152.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.