Finding the Fourth Proportional to 130,409,114.70, 195,613,672.05 and 92,145,362.70
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Solution
The fourth proportional to 130,409,114.70, 195,613,672.05 and 92,145,362.70 is: 138,218,044.05
Step by Step Solution
- Step 1: Write the proportion equation
130,409,114.70 : 195,613,672.05 = 92,145,362.70 : x - Step 2: Convert to fraction form
130,409,114.70/195,613,672.05 = 92,145,362.70/x - Step 3: Cross multiply
130,409,114.70x = 195,613,672.05 × 92,145,362.70 - Step 4: Simplify right side
130,409,114.70x = 18,024,892,760,126,104 - Step 5: Solve for x
x = 18,024,892,760,126,104/130,409,114.70 - Step 6: Final answer
x = 138,218,044.05
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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.