Finding the Fourth Proportional to 165,622,492.10, 248,247,114.15 and 79,402,204.10
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Solution
The fourth proportional to 165,622,492.10, 248,247,114.15 and 79,402,204.10 is: 119,013,835.47
Step by Step Solution
- Step 1: Write the proportion equation
165,622,492.10 : 248,247,114.15 = 79,402,204.10 : x - Step 2: Convert to fraction form
165,622,492.10/248,247,114.15 = 79,402,204.10/x - Step 3: Cross multiply
165,622,492.10x = 248,247,114.15 × 79,402,204.10 - Step 4: Simplify right side
165,622,492.10x = 19,711,368,024,974,296 - Step 5: Solve for x
x = 19,711,368,024,974,296/165,622,492.10 - Step 6: Final answer
x = 119,013,835.47
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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.