Finding the Fourth Proportional to 48,735,013.20, 73,102,519.80 and 20,001,769.80
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Solution
The fourth proportional to 48,735,013.20, 73,102,519.80 and 20,001,769.80 is: 30,002,654.70
Step by Step Solution
- Step 1: Write the proportion equation
48,735,013.20 : 73,102,519.80 = 20,001,769.80 : x - Step 2: Convert to fraction form
48,735,013.20/73,102,519.80 = 20,001,769.80/x - Step 3: Cross multiply
48,735,013.20x = 73,102,519.80 × 20,001,769.80 - Step 4: Simplify right side
48,735,013.20x = 1,462,179,772,839,542 - Step 5: Solve for x
x = 1,462,179,772,839,542/48,735,013.20 - Step 6: Final answer
x = 30,002,654.70
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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.