Finding the Fourth Proportional to 48,735,005.20, 73,102,507.80 and 19,971,581.20
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Solution
The fourth proportional to 48,735,005.20, 73,102,507.80 and 19,971,581.20 is: 29,957,371.80
Step by Step Solution
- Step 1: Write the proportion equation
48,735,005.20 : 73,102,507.80 = 19,971,581.20 : x - Step 2: Convert to fraction form
48,735,005.20/73,102,507.80 = 19,971,581.20/x - Step 3: Cross multiply
48,735,005.20x = 73,102,507.80 × 19,971,581.20 - Step 4: Simplify right side
48,735,005.20x = 1,459,972,670,451,333.25 - Step 5: Solve for x
x = 1,459,972,670,451,333.25/48,735,005.20 - Step 6: Final answer
x = 29,957,371.80
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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.