Finding the Fourth Proportional to 248,624,952.56, 372,971,463.42 and 84,818,728.70
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Solution
The fourth proportional to 248,624,952.56, 372,971,463.42 and 84,818,728.70 is: 127,239,703.99
Step by Step Solution
- Step 1: Write the proportion equation
248,624,952.56 : 372,971,463.42 = 84,818,728.70 : x - Step 2: Convert to fraction form
248,624,952.56/372,971,463.42 = 84,818,728.70/x - Step 3: Cross multiply
248,624,952.56x = 372,971,463.42 × 84,818,728.70 - Step 4: Simplify right side
248,624,952.56x = 31,634,965,368,662,956 - Step 5: Solve for x
x = 31,634,965,368,662,956/248,624,952.56 - Step 6: Final answer
x = 127,239,703.99
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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.