Finding the Fourth Proportional to 125,047,303.13, 172,643,716.57 and 80,470,723.70
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Solution
The fourth proportional to 125,047,303.13, 172,643,716.57 and 80,470,723.70 is: 111,100,075.47
Step by Step Solution
- Step 1: Write the proportion equation
125,047,303.13 : 172,643,716.57 = 80,470,723.70 : x - Step 2: Convert to fraction form
125,047,303.13/172,643,716.57 = 80,470,723.70/x - Step 3: Cross multiply
125,047,303.13x = 172,643,716.57 × 80,470,723.70 - Step 4: Simplify right side
125,047,303.13x = 13,892,764,814,654,312 - Step 5: Solve for x
x = 13,892,764,814,654,312/125,047,303.13 - Step 6: Final answer
x = 111,100,075.47
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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.