Finding the Fourth Proportional to 74,914,440.84, 112,380,657.12 and 26,382,257.28
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Solution
The fourth proportional to 74,914,440.84, 112,380,657.12 and 26,382,257.28 is: 39,576,553.95
Step by Step Solution
- Step 1: Write the proportion equation
74,914,440.84 : 112,380,657.12 = 26,382,257.28 : x - Step 2: Convert to fraction form
74,914,440.84/112,380,657.12 = 26,382,257.28/x - Step 3: Cross multiply
74,914,440.84x = 112,380,657.12 × 26,382,257.28 - Step 4: Simplify right side
74,914,440.84x = 2,964,855,409,435,304 - Step 5: Solve for x
x = 2,964,855,409,435,304/74,914,440.84 - Step 6: Final answer
x = 39,576,553.95
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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.