Finding the Fourth Proportional to 142,843,326.88, 214,292,569.20 and 60,961,010.08
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Solution
The fourth proportional to 142,843,326.88, 214,292,569.20 and 60,961,010.08 is: 91,453,284.91
Step by Step Solution
- Step 1: Write the proportion equation
142,843,326.88 : 214,292,569.20 = 60,961,010.08 : x - Step 2: Convert to fraction form
142,843,326.88/214,292,569.20 = 60,961,010.08/x - Step 3: Cross multiply
142,843,326.88x = 214,292,569.20 × 60,961,010.08 - Step 4: Simplify right side
142,843,326.88x = 13,063,491,471,070,296 - Step 5: Solve for x
x = 13,063,491,471,070,296/142,843,326.88 - Step 6: Final answer
x = 91,453,284.91
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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.