Finding the Fourth Proportional to 230,769,630.76, 318,449,473.86 and 126,327,497.32
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Solution
The fourth proportional to 230,769,630.76, 318,449,473.86 and 126,327,497.32 is: 174,325,039.75
Step by Step Solution
- Step 1: Write the proportion equation
230,769,630.76 : 318,449,473.86 = 126,327,497.32 : x - Step 2: Convert to fraction form
230,769,630.76/318,449,473.86 = 126,327,497.32/x - Step 3: Cross multiply
230,769,630.76x = 318,449,473.86 × 126,327,497.32 - Step 4: Simplify right side
230,769,630.76x = 40,228,925,055,604,560 - Step 5: Solve for x
x = 40,228,925,055,604,560/230,769,630.76 - Step 6: Final answer
x = 174,325,039.75
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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.