Finding the Fourth Proportional to 239,581,614.08, 330,622,626.48 and 129,573,327.08
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Solution
The fourth proportional to 239,581,614.08, 330,622,626.48 and 129,573,327.08 is: 178,811,190.86
Step by Step Solution
- Step 1: Write the proportion equation
239,581,614.08 : 330,622,626.48 = 129,573,327.08 : x - Step 2: Convert to fraction form
239,581,614.08/330,622,626.48 = 129,573,327.08/x - Step 3: Cross multiply
239,581,614.08x = 330,622,626.48 × 129,573,327.08 - Step 4: Simplify right side
239,581,614.08x = 42,839,873,720,941,712 - Step 5: Solve for x
x = 42,839,873,720,941,712/239,581,614.08 - Step 6: Final answer
x = 178,811,190.86
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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.