Finding the Fourth Proportional to 84,373,253.84, 116,439,611.18 and 47,201,316.64
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Solution
The fourth proportional to 84,373,253.84, 116,439,611.18 and 47,201,316.64 is: 65,140,346.09
Step by Step Solution
- Step 1: Write the proportion equation
84,373,253.84 : 116,439,611.18 = 47,201,316.64 : x - Step 2: Convert to fraction form
84,373,253.84/116,439,611.18 = 47,201,316.64/x - Step 3: Cross multiply
84,373,253.84x = 116,439,611.18 × 47,201,316.64 - Step 4: Simplify right side
84,373,253.84x = 5,496,102,956,218,559 - Step 5: Solve for x
x = 5,496,102,956,218,559/84,373,253.84 - Step 6: Final answer
x = 65,140,346.09
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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.