Finding the Fourth Proportional to 132,232,545.28, 198,235,207.68 and 45,959,749.12
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Solution
The fourth proportional to 132,232,545.28, 198,235,207.68 and 45,959,749.12 is: 68,900,136.44
Step by Step Solution
- Step 1: Write the proportion equation
132,232,545.28 : 198,235,207.68 = 45,959,749.12 : x - Step 2: Convert to fraction form
132,232,545.28/198,235,207.68 = 45,959,749.12/x - Step 3: Cross multiply
132,232,545.28x = 198,235,207.68 × 45,959,749.12 - Step 4: Simplify right side
132,232,545.28x = 9,110,840,411,723,898 - Step 5: Solve for x
x = 9,110,840,411,723,898/132,232,545.28 - Step 6: Final answer
x = 68,900,136.44
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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.