Finding the Fourth Proportional to 98,554,493.24, 135,964,121.50 and 56,728,550.17
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Solution
The fourth proportional to 98,554,493.24, 135,964,121.50 and 56,728,550.17 is: 78,261,753.82
Step by Step Solution
- Step 1: Write the proportion equation
98,554,493.24 : 135,964,121.50 = 56,728,550.17 : x - Step 2: Convert to fraction form
98,554,493.24/135,964,121.50 = 56,728,550.17/x - Step 3: Cross multiply
98,554,493.24x = 135,964,121.50 × 56,728,550.17 - Step 4: Simplify right side
98,554,493.24x = 7,713,047,488,073,592 - Step 5: Solve for x
x = 7,713,047,488,073,592/98,554,493.24 - Step 6: Final answer
x = 78,261,753.82
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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.