Finding the Fourth Proportional to 125,352,366.99, 172,991,669.16 and 69,597,790.15
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Solution
The fourth proportional to 125,352,366.99, 172,991,669.16 and 69,597,790.15 is: 96,047,950.09
Step by Step Solution
- Step 1: Write the proportion equation
125,352,366.99 : 172,991,669.16 = 69,597,790.15 : x - Step 2: Convert to fraction form
125,352,366.99/172,991,669.16 = 69,597,790.15/x - Step 3: Cross multiply
125,352,366.99x = 172,991,669.16 × 69,597,790.15 - Step 4: Simplify right side
125,352,366.99x = 12,039,837,888,265,542 - Step 5: Solve for x
x = 12,039,837,888,265,542/125,352,366.99 - Step 6: Final answer
x = 96,047,950.09
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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.