Finding the Fourth Proportional to 199,392,612.77, 299,194,294.63 and 141,474,594.99
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Solution
The fourth proportional to 199,392,612.77, 299,194,294.63 and 141,474,594.99 is: 212,286,659.31
Step by Step Solution
- Step 1: Write the proportion equation
199,392,612.77 : 299,194,294.63 = 141,474,594.99 : x - Step 2: Convert to fraction form
199,392,612.77/299,194,294.63 = 141,474,594.99/x - Step 3: Cross multiply
199,392,612.77x = 299,194,294.63 × 141,474,594.99 - Step 4: Simplify right side
199,392,612.77x = 42,328,391,656,097,984 - Step 5: Solve for x
x = 42,328,391,656,097,984/199,392,612.77 - Step 6: Final answer
x = 212,286,659.31
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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.