Finding the Fourth Proportional to 79,968,260.88, 119,996,653.50 and 39,028,039.17
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Solution
The fourth proportional to 79,968,260.88, 119,996,653.50 and 39,028,039.17 is: 58,563,660.65
Step by Step Solution
- Step 1: Write the proportion equation
79,968,260.88 : 119,996,653.50 = 39,028,039.17 : x - Step 2: Convert to fraction form
79,968,260.88/119,996,653.50 = 39,028,039.17/x - Step 3: Cross multiply
79,968,260.88x = 119,996,653.50 × 39,028,039.17 - Step 4: Simplify right side
79,968,260.88x = 4,683,234,093,066,918 - Step 5: Solve for x
x = 4,683,234,093,066,918/79,968,260.88 - Step 6: Final answer
x = 58,563,660.65
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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.