Finding the Fourth Proportional to 158,291,749.80, 237,437,624.70 and 132,782,581.80
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Solution
The fourth proportional to 158,291,749.80, 237,437,624.70 and 132,782,581.80 is: 199,173,872.70
Step by Step Solution
- Step 1: Write the proportion equation
158,291,749.80 : 237,437,624.70 = 132,782,581.80 : x - Step 2: Convert to fraction form
158,291,749.80/237,437,624.70 = 132,782,581.80/x - Step 3: Cross multiply
158,291,749.80x = 237,437,624.70 × 132,782,581.80 - Step 4: Simplify right side
158,291,749.80x = 31,527,580,824,125,448 - Step 5: Solve for x
x = 31,527,580,824,125,448/158,291,749.80 - Step 6: Final answer
x = 199,173,872.70
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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.