Finding the Fourth Proportional to 217,266,589.75, 299,835,778.35 and 124,465,033.73
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Solution
The fourth proportional to 217,266,589.75, 299,835,778.35 and 124,465,033.73 is: 171,766,263.32
Step by Step Solution
- Step 1: Write the proportion equation
217,266,589.75 : 299,835,778.35 = 124,465,033.73 : x - Step 2: Convert to fraction form
217,266,589.75/299,835,778.35 = 124,465,033.73/x - Step 3: Cross multiply
217,266,589.75x = 299,835,778.35 × 124,465,033.73 - Step 4: Simplify right side
217,266,589.75x = 37,319,070,264,761,112 - Step 5: Solve for x
x = 37,319,070,264,761,112/217,266,589.75 - Step 6: Final answer
x = 171,766,263.32
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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.