Finding the Fourth Proportional to 299,229,365.80, 448,844,048.70 and 129,028,277.80
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Solution
The fourth proportional to 299,229,365.80, 448,844,048.70 and 129,028,277.80 is: 193,542,416.70
Step by Step Solution
- Step 1: Write the proportion equation
299,229,365.80 : 448,844,048.70 = 129,028,277.80 : x - Step 2: Convert to fraction form
299,229,365.80/448,844,048.70 = 129,028,277.80/x - Step 3: Cross multiply
299,229,365.80x = 448,844,048.70 × 129,028,277.80 - Step 4: Simplify right side
299,229,365.80x = 57,913,574,604,540,328 - Step 5: Solve for x
x = 57,913,574,604,540,328/299,229,365.80 - Step 6: Final answer
x = 193,542,416.70
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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.