Finding the Fourth Proportional to 91,459,359.99, 126,210,651.26 and 51,766,038.99
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Solution
The fourth proportional to 91,459,359.99, 126,210,651.26 and 51,766,038.99 is: 71,435,285.51
Step by Step Solution
- Step 1: Write the proportion equation
91,459,359.99 : 126,210,651.26 = 51,766,038.99 : x - Step 2: Convert to fraction form
91,459,359.99/126,210,651.26 = 51,766,038.99/x - Step 3: Cross multiply
91,459,359.99x = 126,210,651.26 × 51,766,038.99 - Step 4: Simplify right side
91,459,359.99x = 6,533,425,493,819,622 - Step 5: Solve for x
x = 6,533,425,493,819,622/91,459,359.99 - Step 6: Final answer
x = 71,435,285.51
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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.