Finding the Fourth Proportional to 126,454,469.94, 174,493,815.57 and 71,439,701.94
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Solution
The fourth proportional to 126,454,469.94, 174,493,815.57 and 71,439,701.94 is: 98,579,245.01
Step by Step Solution
- Step 1: Write the proportion equation
126,454,469.94 : 174,493,815.57 = 71,439,701.94 : x - Step 2: Convert to fraction form
126,454,469.94/174,493,815.57 = 71,439,701.94/x - Step 3: Cross multiply
126,454,469.94x = 174,493,815.57 × 71,439,701.94 - Step 4: Simplify right side
126,454,469.94x = 12,465,786,174,694,130 - Step 5: Solve for x
x = 12,465,786,174,694,130/126,454,469.94 - Step 6: Final answer
x = 98,579,245.01
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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.