Finding the Fourth Proportional to 199,392,646.23, 299,194,344.74 and 141,474,628.44
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Solution
The fourth proportional to 199,392,646.23, 299,194,344.74 and 141,474,628.44 is: 212,286,709.43
Step by Step Solution
- Step 1: Write the proportion equation
199,392,646.23 : 299,194,344.74 = 141,474,628.44 : x - Step 2: Convert to fraction form
199,392,646.23/299,194,344.74 = 141,474,628.44/x - Step 3: Cross multiply
199,392,646.23x = 299,194,344.74 × 141,474,628.44 - Step 4: Simplify right side
199,392,646.23x = 42,328,408,753,440,768 - Step 5: Solve for x
x = 42,328,408,753,440,768/199,392,646.23 - Step 6: Final answer
x = 212,286,709.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.