Finding the Fourth Proportional to 230,629,073.76, 318,268,143.36 and 126,207,139.68
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Solution
The fourth proportional to 230,629,073.76, 318,268,143.36 and 126,207,139.68 is: 174,165,864.56
Step by Step Solution
- Step 1: Write the proportion equation
230,629,073.76 : 318,268,143.36 = 126,207,139.68 : x - Step 2: Convert to fraction form
230,629,073.76/318,268,143.36 = 126,207,139.68/x - Step 3: Cross multiply
230,629,073.76x = 318,268,143.36 × 126,207,139.68 - Step 4: Simplify right side
230,629,073.76x = 40,167,712,024,729,792 - Step 5: Solve for x
x = 40,167,712,024,729,792/230,629,073.76 - Step 6: Final answer
x = 174,165,864.56
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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.