Finding the Fourth Proportional to 162,407,238.70, 243,610,858.05 and 97,837,157.20
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Solution
The fourth proportional to 162,407,238.70, 243,610,858.05 and 97,837,157.20 is: 146,755,735.80
Step by Step Solution
- Step 1: Write the proportion equation
162,407,238.70 : 243,610,858.05 = 97,837,157.20 : x - Step 2: Convert to fraction form
162,407,238.70/243,610,858.05 = 97,837,157.20/x - Step 3: Cross multiply
162,407,238.70x = 243,610,858.05 × 97,837,157.20 - Step 4: Simplify right side
162,407,238.70x = 23,834,193,814,664,736 - Step 5: Solve for x
x = 23,834,193,814,664,736/162,407,238.70 - Step 6: Final answer
x = 146,755,735.80
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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.