Finding the Fourth Proportional to 80,475,947.10, 120,745,413.45 and 29,363,132.70
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Solution
The fourth proportional to 80,475,947.10, 120,745,413.45 and 29,363,132.70 is: 44,056,189.78
Step by Step Solution
- Step 1: Write the proportion equation
80,475,947.10 : 120,745,413.45 = 29,363,132.70 : x - Step 2: Convert to fraction form
80,475,947.10/120,745,413.45 = 29,363,132.70/x - Step 3: Cross multiply
80,475,947.10x = 120,745,413.45 × 29,363,132.70 - Step 4: Simplify right side
80,475,947.10x = 3,545,463,598,048,715 - Step 5: Solve for x
x = 3,545,463,598,048,715/80,475,947.10 - Step 6: Final answer
x = 44,056,189.78
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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.