Finding the Fourth Proportional to 87,209,202.75, 120,351,425.73 and 50,046,280.95
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Solution
The fourth proportional to 87,209,202.75, 120,351,425.73 and 50,046,280.95 is: 69,065,432.03
Step by Step Solution
- Step 1: Write the proportion equation
87,209,202.75 : 120,351,425.73 = 50,046,280.95 : x - Step 2: Convert to fraction form
87,209,202.75/120,351,425.73 = 50,046,280.95/x - Step 3: Cross multiply
87,209,202.75x = 120,351,425.73 × 50,046,280.95 - Step 4: Simplify right side
87,209,202.75x = 6,023,141,264,816,639 - Step 5: Solve for x
x = 6,023,141,264,816,639/87,209,202.75 - Step 6: Final answer
x = 69,065,432.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.