Finding the Fourth Proportional to 50,819,313.21, 76,029,424.29 and 39,217,125.12
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Solution
The fourth proportional to 50,819,313.21, 76,029,424.29 and 39,217,125.12 is: 58,671,698.94
Step by Step Solution
- Step 1: Write the proportion equation
50,819,313.21 : 76,029,424.29 = 39,217,125.12 : x - Step 2: Convert to fraction form
50,819,313.21/76,029,424.29 = 39,217,125.12/x - Step 3: Cross multiply
50,819,313.21x = 76,029,424.29 × 39,217,125.12 - Step 4: Simplify right side
50,819,313.21x = 2,981,655,445,182,497 - Step 5: Solve for x
x = 2,981,655,445,182,497/50,819,313.21 - Step 6: Final answer
x = 58,671,698.94
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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.