Finding the Fourth Proportional to 86,381,433.84, 119,207,795.48 and 51,577,165.68
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Solution
The fourth proportional to 86,381,433.84, 119,207,795.48 and 51,577,165.68 is: 71,177,334.58
Step by Step Solution
- Step 1: Write the proportion equation
86,381,433.84 : 119,207,795.48 = 51,577,165.68 : x - Step 2: Convert to fraction form
86,381,433.84/119,207,795.48 = 51,577,165.68/x - Step 3: Cross multiply
86,381,433.84x = 119,207,795.48 × 51,577,165.68 - Step 4: Simplify right side
86,381,433.84x = 6,148,400,217,819,515 - Step 5: Solve for x
x = 6,148,400,217,819,515/86,381,433.84 - Step 6: Final answer
x = 71,177,334.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.