Finding the Fourth Proportional to 64,682,471.40, 97,023,707.10 and 53,203,345.80
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Solution
The fourth proportional to 64,682,471.40, 97,023,707.10 and 53,203,345.80 is: 79,805,018.70
Step by Step Solution
- Step 1: Write the proportion equation
64,682,471.40 : 97,023,707.10 = 53,203,345.80 : x - Step 2: Convert to fraction form
64,682,471.40/97,023,707.10 = 53,203,345.80/x - Step 3: Cross multiply
64,682,471.40x = 97,023,707.10 × 53,203,345.80 - Step 4: Simplify right side
64,682,471.40x = 5,161,985,839,639,215 - Step 5: Solve for x
x = 5,161,985,839,639,215/64,682,471.40 - Step 6: Final answer
x = 79,805,018.70
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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.