Finding the Fourth Proportional to 80,900,244.40, 121,350,366.60 and 53,690,465.20
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Solution
The fourth proportional to 80,900,244.40, 121,350,366.60 and 53,690,465.20 is: 80,535,697.80
Step by Step Solution
- Step 1: Write the proportion equation
80,900,244.40 : 121,350,366.60 = 53,690,465.20 : x - Step 2: Convert to fraction form
80,900,244.40/121,350,366.60 = 53,690,465.20/x - Step 3: Cross multiply
80,900,244.40x = 121,350,366.60 × 53,690,465.20 - Step 4: Simplify right side
80,900,244.40x = 6,515,357,634,944,542 - Step 5: Solve for x
x = 6,515,357,634,944,542/80,900,244.40 - Step 6: Final answer
x = 80,535,697.80
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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.