Finding the Fourth Proportional to 73,440,067.70, 110,160,101.55 and 25,571,011.70
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Solution
The fourth proportional to 73,440,067.70, 110,160,101.55 and 25,571,011.70 is: 38,356,517.55
Step by Step Solution
- Step 1: Write the proportion equation
73,440,067.70 : 110,160,101.55 = 25,571,011.70 : x - Step 2: Convert to fraction form
73,440,067.70/110,160,101.55 = 25,571,011.70/x - Step 3: Cross multiply
73,440,067.70x = 110,160,101.55 × 25,571,011.70 - Step 4: Simplify right side
73,440,067.70x = 2,816,905,245,608,238 - Step 5: Solve for x
x = 2,816,905,245,608,238/73,440,067.70 - Step 6: Final answer
x = 38,356,517.55
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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.