Finding the Fourth Proportional to 170,013,728.18, 255,038,818.87 and 47,192,564.75
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Solution
The fourth proportional to 170,013,728.18, 255,038,818.87 and 47,192,564.75 is: 70,793,906.48
Step by Step Solution
- Step 1: Write the proportion equation
170,013,728.18 : 255,038,818.87 = 47,192,564.75 : x - Step 2: Convert to fraction form
170,013,728.18/255,038,818.87 = 47,192,564.75/x - Step 3: Cross multiply
170,013,728.18x = 255,038,818.87 × 47,192,564.75 - Step 4: Simplify right side
170,013,728.18x = 12,035,935,972,849,218 - Step 5: Solve for x
x = 12,035,935,972,849,218/170,013,728.18 - Step 6: Final answer
x = 70,793,906.48
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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.