Finding the Fourth Proportional to 345,629,424.99, 518,444,662.36 and 141,157,500.24
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Solution
The fourth proportional to 345,629,424.99, 518,444,662.36 and 141,157,500.24 is: 211,736,464.72
Step by Step Solution
- Step 1: Write the proportion equation
345,629,424.99 : 518,444,662.36 = 141,157,500.24 : x - Step 2: Convert to fraction form
345,629,424.99/518,444,662.36 = 141,157,500.24/x - Step 3: Cross multiply
345,629,424.99x = 518,444,662.36 × 141,157,500.24 - Step 4: Simplify right side
345,629,424.99x = 73,182,352,550,841,456 - Step 5: Solve for x
x = 73,182,352,550,841,456/345,629,424.99 - Step 6: Final answer
x = 211,736,464.72
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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.