Finding the Fourth Proportional to 199,487,029.60, 299,419,501.20 and 122,959,525.60
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Solution
The fourth proportional to 199,487,029.60, 299,419,501.20 and 122,959,525.60 is: 184,555,757.32
Step by Step Solution
- Step 1: Write the proportion equation
199,487,029.60 : 299,419,501.20 = 122,959,525.60 : x - Step 2: Convert to fraction form
199,487,029.60/299,419,501.20 = 122,959,525.60/x - Step 3: Cross multiply
199,487,029.60x = 299,419,501.20 × 122,959,525.60 - Step 4: Simplify right side
199,487,029.60x = 36,816,479,822,940,624 - Step 5: Solve for x
x = 36,816,479,822,940,624/199,487,029.60 - Step 6: Final answer
x = 184,555,757.32
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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.