Finding the Fourth Proportional to 236,328,761.70, 354,858,096.15 and 128,833,337.70
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Solution
The fourth proportional to 236,328,761.70, 354,858,096.15 and 128,833,337.70 is: 193,448,959.02
Step by Step Solution
- Step 1: Write the proportion equation
236,328,761.70 : 354,858,096.15 = 128,833,337.70 : x - Step 2: Convert to fraction form
236,328,761.70/354,858,096.15 = 128,833,337.70/x - Step 3: Cross multiply
236,328,761.70x = 354,858,096.15 × 128,833,337.70 - Step 4: Simplify right side
236,328,761.70x = 45,717,552,936,872,016 - Step 5: Solve for x
x = 45,717,552,936,872,016/236,328,761.70 - Step 6: Final answer
x = 193,448,959.02
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1.5x scale
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.