Finding the Fourth Proportional to 92,655,940.84, 138,984,981.18 and 27,960,306.28
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Solution
The fourth proportional to 92,655,940.84, 138,984,981.18 and 27,960,306.28 is: 41,940,782.28
Step by Step Solution
- Step 1: Write the proportion equation
92,655,940.84 : 138,984,981.18 = 27,960,306.28 : x - Step 2: Convert to fraction form
92,655,940.84/138,984,981.18 = 27,960,306.28/x - Step 3: Cross multiply
92,655,940.84x = 138,984,981.18 × 27,960,306.28 - Step 4: Simplify right side
92,655,940.84x = 3,886,062,642,112,836 - Step 5: Solve for x
x = 3,886,062,642,112,836/92,655,940.84 - Step 6: Final answer
x = 41,940,782.28
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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.