Finding the Fourth Proportional to 68,272,479.76, 102,408,823.32 and 27,882,963.76
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Solution
The fourth proportional to 68,272,479.76, 102,408,823.32 and 27,882,963.76 is: 41,824,487.98
Step by Step Solution
- Step 1: Write the proportion equation
68,272,479.76 : 102,408,823.32 = 27,882,963.76 : x - Step 2: Convert to fraction form
68,272,479.76/102,408,823.32 = 27,882,963.76/x - Step 3: Cross multiply
68,272,479.76x = 102,408,823.32 × 27,882,963.76 - Step 4: Simplify right side
68,272,479.76x = 2,855,461,509,335,803 - Step 5: Solve for x
x = 2,855,461,509,335,803/68,272,479.76 - Step 6: Final answer
x = 41,824,487.98
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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.