Finding the Fourth Proportional to 235,785,098.41, 325,375,805.15 and 135,330,070.28
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Solution
The fourth proportional to 235,785,098.41, 325,375,805.15 and 135,330,070.28 is: 186,751,117.33
Step by Step Solution
- Step 1: Write the proportion equation
235,785,098.41 : 325,375,805.15 = 135,330,070.28 : x - Step 2: Convert to fraction form
235,785,098.41/325,375,805.15 = 135,330,070.28/x - Step 3: Cross multiply
235,785,098.41x = 325,375,805.15 × 135,330,070.28 - Step 4: Simplify right side
235,785,098.41x = 44,033,130,576,565,048 - Step 5: Solve for x
x = 44,033,130,576,565,048/235,785,098.41 - Step 6: Final answer
x = 186,751,117.33
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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.