Finding the Fourth Proportional to 78,097,440.99, 117,044,137.40 and 43,552,463.79
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Solution
The fourth proportional to 78,097,440.99, 117,044,137.40 and 43,552,463.79 is: 65,271,800.09
Step by Step Solution
- Step 1: Write the proportion equation
78,097,440.99 : 117,044,137.40 = 43,552,463.79 : x - Step 2: Convert to fraction form
78,097,440.99/117,044,137.40 = 43,552,463.79/x - Step 3: Cross multiply
78,097,440.99x = 117,044,137.40 × 43,552,463.79 - Step 4: Simplify right side
78,097,440.99x = 5,097,560,555,727,522 - Step 5: Solve for x
x = 5,097,560,555,727,522/78,097,440.99 - Step 6: Final answer
x = 65,271,800.09
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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.