Finding the Fourth Proportional to 80,847,139.20, 121,270,708.80 and 44,441,462.40
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Solution
The fourth proportional to 80,847,139.20, 121,270,708.80 and 44,441,462.40 is: 66,662,193.60
Step by Step Solution
- Step 1: Write the proportion equation
80,847,139.20 : 121,270,708.80 = 44,441,462.40 : x - Step 2: Convert to fraction form
80,847,139.20/121,270,708.80 = 44,441,462.40/x - Step 3: Cross multiply
80,847,139.20x = 121,270,708.80 × 44,441,462.40 - Step 4: Simplify right side
80,847,139.20x = 5,389,447,645,356,549 - Step 5: Solve for x
x = 5,389,447,645,356,549/80,847,139.20 - Step 6: Final answer
x = 66,662,193.60
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1.5x scale
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.