Finding the Fourth Proportional to 99,652,231.20, 149,478,346.80 and 58,669,600.80
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Solution
The fourth proportional to 99,652,231.20, 149,478,346.80 and 58,669,600.80 is: 88,004,401.20
Step by Step Solution
- Step 1: Write the proportion equation
99,652,231.20 : 149,478,346.80 = 58,669,600.80 : x - Step 2: Convert to fraction form
99,652,231.20/149,478,346.80 = 58,669,600.80/x - Step 3: Cross multiply
99,652,231.20x = 149,478,346.80 × 58,669,600.80 - Step 4: Simplify right side
99,652,231.20x = 8,769,834,934,999,958 - Step 5: Solve for x
x = 8,769,834,934,999,958/99,652,231.20 - Step 6: Final answer
x = 88,004,401.20
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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.