Finding the Fourth Proportional to 207,095,278.74, 285,797,548.80 and 113,015,487.84
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Solution
The fourth proportional to 207,095,278.74, 285,797,548.80 and 113,015,487.84 is: 155,964,682.52
Step by Step Solution
- Step 1: Write the proportion equation
207,095,278.74 : 285,797,548.80 = 113,015,487.84 : x - Step 2: Convert to fraction form
207,095,278.74/285,797,548.80 = 113,015,487.84/x - Step 3: Cross multiply
207,095,278.74x = 285,797,548.80 × 113,015,487.84 - Step 4: Simplify right side
207,095,278.74x = 32,299,549,401,108,208 - Step 5: Solve for x
x = 32,299,549,401,108,208/207,095,278.74 - Step 6: Final answer
x = 155,964,682.52
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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.