Finding the Fourth Proportional to 76,723,665.57, 115,103,649.02 and 24,908,168.07
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Solution
The fourth proportional to 76,723,665.57, 115,103,649.02 and 24,908,168.07 is: 37,368,144.68
Step by Step Solution
- Step 1: Write the proportion equation
76,723,665.57 : 115,103,649.02 = 24,908,168.07 : x - Step 2: Convert to fraction form
76,723,665.57/115,103,649.02 = 24,908,168.07/x - Step 3: Cross multiply
76,723,665.57x = 115,103,649.02 × 24,908,168.07 - Step 4: Simplify right side
76,723,665.57x = 2,867,021,035,135,910 - Step 5: Solve for x
x = 2,867,021,035,135,910/76,723,665.57 - Step 6: Final answer
x = 37,368,144.68
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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.