Finding the Fourth Proportional to 162,407,243.20, 243,610,864.80 and 97,837,161.70
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Solution
The fourth proportional to 162,407,243.20, 243,610,864.80 and 97,837,161.70 is: 146,755,742.55
Step by Step Solution
- Step 1: Write the proportion equation
162,407,243.20 : 243,610,864.80 = 97,837,161.70 : x - Step 2: Convert to fraction form
162,407,243.20/243,610,864.80 = 97,837,161.70/x - Step 3: Cross multiply
162,407,243.20x = 243,610,864.80 × 97,837,161.70 - Step 4: Simplify right side
162,407,243.20x = 23,834,195,571,314,440 - Step 5: Solve for x
x = 23,834,195,571,314,440/162,407,243.20 - Step 6: Final answer
x = 146,755,742.55
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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.