Finding the Fourth Proportional to 162,485,887.39, 243,720,247.10 and 53,296,675.63
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Solution
The fourth proportional to 162,485,887.39, 243,720,247.10 and 53,296,675.63 is: 79,942,197.83
Step by Step Solution
- Step 1: Write the proportion equation
162,485,887.39 : 243,720,247.10 = 53,296,675.63 : x - Step 2: Convert to fraction form
162,485,887.39/243,720,247.10 = 53,296,675.63/x - Step 3: Cross multiply
162,485,887.39x = 243,720,247.10 × 53,296,675.63 - Step 4: Simplify right side
162,485,887.39x = 12,989,478,954,152,148 - Step 5: Solve for x
x = 12,989,478,954,152,148/162,485,887.39 - Step 6: Final answer
x = 79,942,197.83
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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.