Finding the Fourth Proportional to 49,156,739.70, 73,735,109.55 and 18,451,259.70
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Solution
The fourth proportional to 49,156,739.70, 73,735,109.55 and 18,451,259.70 is: 27,676,889.55
Step by Step Solution
- Step 1: Write the proportion equation
49,156,739.70 : 73,735,109.55 = 18,451,259.70 : x - Step 2: Convert to fraction form
49,156,739.70/73,735,109.55 = 18,451,259.70/x - Step 3: Cross multiply
49,156,739.70x = 73,735,109.55 × 18,451,259.70 - Step 4: Simplify right side
49,156,739.70x = 1,360,505,655,315,000 - Step 5: Solve for x
x = 1,360,505,655,315,000/49,156,739.70 - Step 6: Final answer
x = 27,676,889.55
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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.