Finding the Fourth Proportional to 128,846,545.99, 193,244,876.09 and 50,062,919.12
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Solution
The fourth proportional to 128,846,545.99, 193,244,876.09 and 50,062,919.12 is: 75,084,687.20
Step by Step Solution
- Step 1: Write the proportion equation
128,846,545.99 : 193,244,876.09 = 50,062,919.12 : x - Step 2: Convert to fraction form
128,846,545.99/193,244,876.09 = 50,062,919.12/x - Step 3: Cross multiply
128,846,545.99x = 193,244,876.09 × 50,062,919.12 - Step 4: Simplify right side
128,846,545.99x = 9,674,402,602,048,092 - Step 5: Solve for x
x = 9,674,402,602,048,092/128,846,545.99 - Step 6: Final answer
x = 75,084,687.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.