Finding the Fourth Proportional to 137,754,634.40, 190,101,384.84 and 75,874,972.97
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Solution
The fourth proportional to 137,754,634.40, 190,101,384.84 and 75,874,972.97 is: 104,707,456.84
Step by Step Solution
- Step 1: Write the proportion equation
137,754,634.40 : 190,101,384.84 = 75,874,972.97 : x - Step 2: Convert to fraction form
137,754,634.40/190,101,384.84 = 75,874,972.97/x - Step 3: Cross multiply
137,754,634.40x = 190,101,384.84 × 75,874,972.97 - Step 4: Simplify right side
137,754,634.40x = 14,423,937,435,344,062 - Step 5: Solve for x
x = 14,423,937,435,344,062/137,754,634.40 - Step 6: Final answer
x = 104,707,456.84
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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.