Finding the Fourth Proportional to 162,485,885.39, 243,720,244.10 and 53,296,673.63
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Solution
The fourth proportional to 162,485,885.39, 243,720,244.10 and 53,296,673.63 is: 79,942,194.82
Step by Step Solution
- Step 1: Write the proportion equation
162,485,885.39 : 243,720,244.10 = 53,296,673.63 : x - Step 2: Convert to fraction form
162,485,885.39/243,720,244.10 = 53,296,673.63/x - Step 3: Cross multiply
162,485,885.39x = 243,720,244.10 × 53,296,673.63 - Step 4: Simplify right side
162,485,885.39x = 12,989,478,305,736,274 - Step 5: Solve for x
x = 12,989,478,305,736,274/162,485,885.39 - Step 6: Final answer
x = 79,942,194.82
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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.