Finding the Fourth Proportional to 352,578,463.80, 528,867,695.70 and 93,793,183.80
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Solution
The fourth proportional to 352,578,463.80, 528,867,695.70 and 93,793,183.80 is: 140,689,775.70
Step by Step Solution
- Step 1: Write the proportion equation
352,578,463.80 : 528,867,695.70 = 93,793,183.80 : x - Step 2: Convert to fraction form
352,578,463.80/528,867,695.70 = 93,793,183.80/x - Step 3: Cross multiply
352,578,463.80x = 528,867,695.70 × 93,793,183.80 - Step 4: Simplify right side
352,578,463.80x = 49,604,184,988,672,568 - Step 5: Solve for x
x = 49,604,184,988,672,568/352,578,463.80 - Step 6: Final answer
x = 140,689,775.70
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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.