Finding the Fourth Proportional to 83,613,802.23, 125,421,963.91 and 29,028,121.13
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Solution
The fourth proportional to 83,613,802.23, 125,421,963.91 and 29,028,121.13 is: 43,542,619.33
Step by Step Solution
- Step 1: Write the proportion equation
83,613,802.23 : 125,421,963.91 = 29,028,121.13 : x - Step 2: Convert to fraction form
83,613,802.23/125,421,963.91 = 29,028,121.13/x - Step 3: Cross multiply
83,613,802.23x = 125,421,963.91 × 29,028,121.13 - Step 4: Simplify right side
83,613,802.23x = 3,640,763,960,982,953 - Step 5: Solve for x
x = 3,640,763,960,982,953/83,613,802.23 - Step 6: Final answer
x = 43,542,619.33
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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.