Finding the Fourth Proportional to 117,005,497.30, 175,508,245.95 and 82,993,273.30
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Solution
The fourth proportional to 117,005,497.30, 175,508,245.95 and 82,993,273.30 is: 124,489,909.95
Step by Step Solution
- Step 1: Write the proportion equation
117,005,497.30 : 175,508,245.95 = 82,993,273.30 : x - Step 2: Convert to fraction form
117,005,497.30/175,508,245.95 = 82,993,273.30/x - Step 3: Cross multiply
117,005,497.30x = 175,508,245.95 × 82,993,273.30 - Step 4: Simplify right side
117,005,497.30x = 14,566,003,822,531,966 - Step 5: Solve for x
x = 14,566,003,822,531,966/117,005,497.30 - Step 6: Final answer
x = 124,489,909.95
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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.