Finding the Fourth Proportional to 147,590,602.08, 203,661,627.12 and 82,388,508
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Solution
The fourth proportional to 147,590,602.08, 203,661,627.12 and 82,388,508 is: 113,688,658.75
Step by Step Solution
- Step 1: Write the proportion equation
147,590,602.08 : 203,661,627.12 = 82,388,508 : x - Step 2: Convert to fraction form
147,590,602.08/203,661,627.12 = 82,388,508/x - Step 3: Cross multiply
147,590,602.08x = 203,661,627.12 × 82,388,508 - Step 4: Simplify right side
147,590,602.08x = 16,779,377,595,269,138 - Step 5: Solve for x
x = 16,779,377,595,269,138/147,590,602.08 - Step 6: Final answer
x = 113,688,658.75
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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.