Finding the Fourth Proportional to 157,788,003.70, 236,682,005.55 and 119,524,251.70
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Solution
The fourth proportional to 157,788,003.70, 236,682,005.55 and 119,524,251.70 is: 179,286,377.55
Step by Step Solution
- Step 1: Write the proportion equation
157,788,003.70 : 236,682,005.55 = 119,524,251.70 : x - Step 2: Convert to fraction form
157,788,003.70/236,682,005.55 = 119,524,251.70/x - Step 3: Cross multiply
157,788,003.70x = 236,682,005.55 × 119,524,251.70 - Step 4: Simplify right side
157,788,003.70x = 28,289,239,604,219,000 - Step 5: Solve for x
x = 28,289,239,604,219,000/157,788,003.70 - Step 6: Final answer
x = 179,286,377.55
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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.