Finding the Fourth Proportional to 193,542,502.20, 289,915,622.10 and 97,858,303.80
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Solution
The fourth proportional to 193,542,502.20, 289,915,622.10 and 97,858,303.80 is: 146,586,153.95
Step by Step Solution
- Step 1: Write the proportion equation
193,542,502.20 : 289,915,622.10 = 97,858,303.80 : x - Step 2: Convert to fraction form
193,542,502.20/289,915,622.10 = 97,858,303.80/x - Step 3: Cross multiply
193,542,502.20x = 289,915,622.10 × 97,858,303.80 - Step 4: Simplify right side
193,542,502.20x = 28,370,651,023,827,796 - Step 5: Solve for x
x = 28,370,651,023,827,796/193,542,502.20 - Step 6: Final answer
x = 146,586,153.95
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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.