Finding the Fourth Proportional to 124,134,205.08, 171,292,939.02 and 69,135,179.16
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Solution
The fourth proportional to 124,134,205.08, 171,292,939.02 and 69,135,179.16 is: 95,399,716.95
Step by Step Solution
- Step 1: Write the proportion equation
124,134,205.08 : 171,292,939.02 = 69,135,179.16 : x - Step 2: Convert to fraction form
124,134,205.08/171,292,939.02 = 69,135,179.16/x - Step 3: Cross multiply
124,134,205.08x = 171,292,939.02 × 69,135,179.16 - Step 4: Simplify right side
124,134,205.08x = 11,842,368,027,990,654 - Step 5: Solve for x
x = 11,842,368,027,990,654/124,134,205.08 - Step 6: Final answer
x = 95,399,716.95
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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.