Finding the Fourth Proportional to 230,438,120.29, 318,029,250.14 and 141,189,293.74
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Solution
The fourth proportional to 230,438,120.29, 318,029,250.14 and 141,189,293.74 is: 194,856,324.81
Step by Step Solution
- Step 1: Write the proportion equation
230,438,120.29 : 318,029,250.14 = 141,189,293.74 : x - Step 2: Convert to fraction form
230,438,120.29/318,029,250.14 = 141,189,293.74/x - Step 3: Cross multiply
230,438,120.29x = 318,029,250.14 × 141,189,293.74 - Step 4: Simplify right side
230,438,120.29x = 44,902,325,215,928,400 - Step 5: Solve for x
x = 44,902,325,215,928,400/230,438,120.29 - Step 6: Final answer
x = 194,856,324.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.