Finding the Fourth Proportional to 306,089,187.10, 459,612,077.55 and 176,949,024.10
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Solution
The fourth proportional to 306,089,187.10, 459,612,077.55 and 176,949,024.10 is: 265,700,037.81
Step by Step Solution
- Step 1: Write the proportion equation
306,089,187.10 : 459,612,077.55 = 176,949,024.10 : x - Step 2: Convert to fraction form
306,089,187.10/459,612,077.55 = 176,949,024.10/x - Step 3: Cross multiply
306,089,187.10x = 459,612,077.55 × 176,949,024.10 - Step 4: Simplify right side
306,089,187.10x = 81,327,908,587,046,016 - Step 5: Solve for x
x = 81,327,908,587,046,016/306,089,187.10 - Step 6: Final answer
x = 265,700,037.81
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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.