Finding the Fourth Proportional to 53,655,562.70, 80,483,344.05 and 19,565,578.70
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Solution
The fourth proportional to 53,655,562.70, 80,483,344.05 and 19,565,578.70 is: 29,348,368.05
Step by Step Solution
- Step 1: Write the proportion equation
53,655,562.70 : 80,483,344.05 = 19,565,578.70 : x - Step 2: Convert to fraction form
53,655,562.70/80,483,344.05 = 19,565,578.70/x - Step 3: Cross multiply
53,655,562.70x = 80,483,344.05 × 19,565,578.70 - Step 4: Simplify right side
53,655,562.70x = 1,574,703,202,049,451.50 - Step 5: Solve for x
x = 1,574,703,202,049,451.50/53,655,562.70 - Step 6: Final answer
x = 29,348,368.05
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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.