Finding the Fourth Proportional to 70,169,286.36, 105,261,148.68 and 26,486,839.26
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Solution
The fourth proportional to 70,169,286.36, 105,261,148.68 and 26,486,839.26 is: 39,732,983.90
Step by Step Solution
- Step 1: Write the proportion equation
70,169,286.36 : 105,261,148.68 = 26,486,839.26 : x - Step 2: Convert to fraction form
70,169,286.36/105,261,148.68 = 26,486,839.26/x - Step 3: Cross multiply
70,169,286.36x = 105,261,148.68 × 26,486,839.26 - Step 4: Simplify right side
70,169,286.36x = 2,788,035,125,410,121.50 - Step 5: Solve for x
x = 2,788,035,125,410,121.50/70,169,286.36 - Step 6: Final answer
x = 39,732,983.90
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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.