Finding the Fourth Proportional to 53,953,612.70, 80,930,419.05 and 48,284,908.70
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Solution
The fourth proportional to 53,953,612.70, 80,930,419.05 and 48,284,908.70 is: 72,427,363.05
Step by Step Solution
- Step 1: Write the proportion equation
53,953,612.70 : 80,930,419.05 = 48,284,908.70 : x - Step 2: Convert to fraction form
53,953,612.70/80,930,419.05 = 48,284,908.70/x - Step 3: Cross multiply
53,953,612.70x = 80,930,419.05 × 48,284,908.70 - Step 4: Simplify right side
53,953,612.70x = 3,907,717,894,881,991 - Step 5: Solve for x
x = 3,907,717,894,881,991/53,953,612.70 - Step 6: Final answer
x = 72,427,363.05
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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.