Finding the Fourth Proportional to 79,952,910.44, 119,977,129.73 and 73,448,014.28
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Solution
The fourth proportional to 79,952,910.44, 119,977,129.73 and 73,448,014.28 is: 110,215,899.45
Step by Step Solution
- Step 1: Write the proportion equation
79,952,910.44 : 119,977,129.73 = 73,448,014.28 : x - Step 2: Convert to fraction form
79,952,910.44/119,977,129.73 = 73,448,014.28/x - Step 3: Cross multiply
79,952,910.44x = 119,977,129.73 × 73,448,014.28 - Step 4: Simplify right side
79,952,910.44x = 8,812,081,937,266,188 - Step 5: Solve for x
x = 8,812,081,937,266,188/79,952,910.44 - Step 6: Final answer
x = 110,215,899.45
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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.