Finding the Fourth Proportional to 238,621,859.68, 329,259,678.44 and 134,193,703.20
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Solution
The fourth proportional to 238,621,859.68, 329,259,678.44 and 134,193,703.20 is: 185,165,665.98
Step by Step Solution
- Step 1: Write the proportion equation
238,621,859.68 : 329,259,678.44 = 134,193,703.20 : x - Step 2: Convert to fraction form
238,621,859.68/329,259,678.44 = 134,193,703.20/x - Step 3: Cross multiply
238,621,859.68x = 329,259,678.44 × 134,193,703.20 - Step 4: Simplify right side
238,621,859.68x = 44,184,575,564,304,800 - Step 5: Solve for x
x = 44,184,575,564,304,800/238,621,859.68 - Step 6: Final answer
x = 185,165,665.98
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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.