Finding the Fourth Proportional to 100,927,156.58, 139,279,537.11 and 54,517,431
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Solution
The fourth proportional to 100,927,156.58, 139,279,537.11 and 54,517,431 is: 75,234,087.75
Step by Step Solution
- Step 1: Write the proportion equation
100,927,156.58 : 139,279,537.11 = 54,517,431 : x - Step 2: Convert to fraction form
100,927,156.58/139,279,537.11 = 54,517,431/x - Step 3: Cross multiply
100,927,156.58x = 139,279,537.11 × 54,517,431 - Step 4: Simplify right side
100,927,156.58x = 7,593,162,554,106,365 - Step 5: Solve for x
x = 7,593,162,554,106,365/100,927,156.58 - Step 6: Final answer
x = 75,234,087.75
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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.