Finding the Fourth Proportional to 236,389,366.81, 326,304,378.35 and 142,307,888.41
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Solution
The fourth proportional to 236,389,366.81, 326,304,378.35 and 142,307,888.41 is: 196,437,291.95
Step by Step Solution
- Step 1: Write the proportion equation
236,389,366.81 : 326,304,378.35 = 142,307,888.41 : x - Step 2: Convert to fraction form
236,389,366.81/326,304,378.35 = 142,307,888.41/x - Step 3: Cross multiply
236,389,366.81x = 326,304,378.35 × 142,307,888.41 - Step 4: Simplify right side
236,389,366.81x = 46,435,687,061,214,680 - Step 5: Solve for x
x = 46,435,687,061,214,680/236,389,366.81 - Step 6: Final answer
x = 196,437,291.95
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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.