Finding the Fourth Proportional to 134,614,135.81, 185,781,786.61 and 78,906,361.96
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Solution
The fourth proportional to 134,614,135.81, 185,781,786.61 and 78,906,361.96 is: 108,899,149.50
Step by Step Solution
- Step 1: Write the proportion equation
134,614,135.81 : 185,781,786.61 = 78,906,361.96 : x - Step 2: Convert to fraction form
134,614,135.81/185,781,786.61 = 78,906,361.96/x - Step 3: Cross multiply
134,614,135.81x = 185,781,786.61 × 78,906,361.96 - Step 4: Simplify right side
134,614,135.81x = 14,659,364,899,824,142 - Step 5: Solve for x
x = 14,659,364,899,824,142/134,614,135.81 - Step 6: Final answer
x = 108,899,149.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.