Finding the Fourth Proportional to 79,719,373.24, 119,579,061.48 and 19,135,099.24
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Solution
The fourth proportional to 79,719,373.24, 119,579,061.48 and 19,135,099.24 is: 28,702,649.25
Step by Step Solution
- Step 1: Write the proportion equation
79,719,373.24 : 119,579,061.48 = 19,135,099.24 : x - Step 2: Convert to fraction form
79,719,373.24/119,579,061.48 = 19,135,099.24/x - Step 3: Cross multiply
79,719,373.24x = 119,579,061.48 × 19,135,099.24 - Step 4: Simplify right side
79,719,373.24x = 2,288,157,208,445,861 - Step 5: Solve for x
x = 2,288,157,208,445,861/79,719,373.24 - Step 6: Final answer
x = 28,702,649.25
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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.