Finding the Fourth Proportional to 35,544,905.80, 53,317,358.70 and 31,765,769.80
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Solution
The fourth proportional to 35,544,905.80, 53,317,358.70 and 31,765,769.80 is: 47,648,654.70
Step by Step Solution
- Step 1: Write the proportion equation
35,544,905.80 : 53,317,358.70 = 31,765,769.80 : x - Step 2: Convert to fraction form
35,544,905.80/53,317,358.70 = 31,765,769.80/x - Step 3: Cross multiply
35,544,905.80x = 53,317,358.70 × 31,765,769.80 - Step 4: Simplify right side
35,544,905.80x = 1,693,666,942,808,227.50 - Step 5: Solve for x
x = 1,693,666,942,808,227.50/35,544,905.80 - Step 6: Final answer
x = 47,648,654.70
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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.