Finding the Fourth Proportional to 70,987,302, 97,962,476.76 and 38,392,254
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Solution
The fourth proportional to 70,987,302, 97,962,476.76 and 38,392,254 is: 52,981,310.52
Step by Step Solution
- Step 1: Write the proportion equation
70,987,302 : 97,962,476.76 = 38,392,254 : x - Step 2: Convert to fraction form
70,987,302/97,962,476.76 = 38,392,254/x - Step 3: Cross multiply
70,987,302x = 97,962,476.76 × 38,392,254 - Step 4: Simplify right side
70,987,302x = 3,761,000,290,239,017 - Step 5: Solve for x
x = 3,761,000,290,239,017/70,987,302 - Step 6: Final answer
x = 52,981,310.52
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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.