Finding the Fourth Proportional to 315,188,025.21, 473,068,936.39 and 167,759,358.17
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Solution
The fourth proportional to 315,188,025.21, 473,068,936.39 and 167,759,358.17 is: 251,791,739.51
Step by Step Solution
- Step 1: Write the proportion equation
315,188,025.21 : 473,068,936.39 = 167,759,358.17 : x - Step 2: Convert to fraction form
315,188,025.21/473,068,936.39 = 167,759,358.17/x - Step 3: Cross multiply
315,188,025.21x = 473,068,936.39 × 167,759,358.17 - Step 4: Simplify right side
315,188,025.21x = 79,361,741,139,714,240 - Step 5: Solve for x
x = 79,361,741,139,714,240/315,188,025.21 - Step 6: Final answer
x = 251,791,739.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.