Finding the Fourth Proportional to 255,974,632.02, 353,242,473.84 and 138,497,383.62
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Solution
The fourth proportional to 255,974,632.02, 353,242,473.84 and 138,497,383.62 is: 191,125,026.82
Step by Step Solution
- Step 1: Write the proportion equation
255,974,632.02 : 353,242,473.84 = 138,497,383.62 : x - Step 2: Convert to fraction form
255,974,632.02/353,242,473.84 = 138,497,383.62/x - Step 3: Cross multiply
255,974,632.02x = 353,242,473.84 × 138,497,383.62 - Step 4: Simplify right side
255,974,632.02x = 48,923,158,410,296,296 - Step 5: Solve for x
x = 48,923,158,410,296,296/255,974,632.02 - Step 6: Final answer
x = 191,125,026.82
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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.