Finding the Fourth Proportional to 115,202,834.24, 172,804,417.65 and 47,045,525.99
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Solution
The fourth proportional to 115,202,834.24, 172,804,417.65 and 47,045,525.99 is: 70,568,356.89
Step by Step Solution
- Step 1: Write the proportion equation
115,202,834.24 : 172,804,417.65 = 47,045,525.99 : x - Step 2: Convert to fraction form
115,202,834.24/172,804,417.65 = 47,045,525.99/x - Step 3: Cross multiply
115,202,834.24x = 172,804,417.65 × 47,045,525.99 - Step 4: Simplify right side
115,202,834.24x = 8,129,674,720,875,868 - Step 5: Solve for x
x = 8,129,674,720,875,868/115,202,834.24 - Step 6: Final answer
x = 70,568,356.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.