Finding the Fourth Proportional to 144,322,170.99, 199,186,160.36 and 113,613,425.07
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Solution
The fourth proportional to 144,322,170.99, 199,186,160.36 and 113,613,425.07 is: 156,803,502.54
Step by Step Solution
- Step 1: Write the proportion equation
144,322,170.99 : 199,186,160.36 = 113,613,425.07 : x - Step 2: Convert to fraction form
144,322,170.99/199,186,160.36 = 113,613,425.07/x - Step 3: Cross multiply
144,322,170.99x = 199,186,160.36 × 113,613,425.07 - Step 4: Simplify right side
144,322,170.99x = 22,630,221,905,041,864 - Step 5: Solve for x
x = 22,630,221,905,041,864/144,322,170.99 - Step 6: Final answer
x = 156,803,502.54
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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.