Finding the Fourth Proportional to 69,635,363.40, 96,097,672.28 and 38,276,836.09
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Solution
The fourth proportional to 69,635,363.40, 96,097,672.28 and 38,276,836.09 is: 52,822,512.45
Step by Step Solution
- Step 1: Write the proportion equation
69,635,363.40 : 96,097,672.28 = 38,276,836.09 : x - Step 2: Convert to fraction form
69,635,363.40/96,097,672.28 = 38,276,836.09/x - Step 3: Cross multiply
69,635,363.40x = 96,097,672.28 × 38,276,836.09 - Step 4: Simplify right side
69,635,363.40x = 3,678,314,850,347,544.50 - Step 5: Solve for x
x = 3,678,314,850,347,544.50/69,635,363.40 - Step 6: Final answer
x = 52,822,512.45
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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.