Finding the Fourth Proportional to 108,330,206.99, 149,495,975.42 and 58,770,580.69
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Solution
The fourth proportional to 108,330,206.99, 149,495,975.42 and 58,770,580.69 is: 81,103,558.56
Step by Step Solution
- Step 1: Write the proportion equation
108,330,206.99 : 149,495,975.42 = 58,770,580.69 : x - Step 2: Convert to fraction form
108,330,206.99/149,495,975.42 = 58,770,580.69/x - Step 3: Cross multiply
108,330,206.99x = 149,495,975.42 × 58,770,580.69 - Step 4: Simplify right side
108,330,206.99x = 8,785,965,286,749,709 - Step 5: Solve for x
x = 8,785,965,286,749,709/108,330,206.99 - Step 6: Final answer
x = 81,103,558.56
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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.