Finding the Fourth Proportional to 51,602,159.84, 71,210,990.70 and 28,397,286.92
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Solution
The fourth proportional to 51,602,159.84, 71,210,990.70 and 28,397,286.92 is: 39,188,261.53
Step by Step Solution
- Step 1: Write the proportion equation
51,602,159.84 : 71,210,990.70 = 28,397,286.92 : x - Step 2: Convert to fraction form
51,602,159.84/71,210,990.70 = 28,397,286.92/x - Step 3: Cross multiply
51,602,159.84x = 71,210,990.70 × 28,397,286.92 - Step 4: Simplify right side
51,602,159.84x = 2,022,198,934,943,379.25 - Step 5: Solve for x
x = 2,022,198,934,943,379.25/51,602,159.84 - Step 6: Final answer
x = 39,188,261.53
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1.5x scale
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.