Finding the Fourth Proportional to 228,017,596.68, 314,655,853.43 and 123,593,425.99
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Solution
The fourth proportional to 228,017,596.68, 314,655,853.43 and 123,593,425.99 is: 170,554,358.52
Step by Step Solution
- Step 1: Write the proportion equation
228,017,596.68 : 314,655,853.43 = 123,593,425.99 : x - Step 2: Convert to fraction form
228,017,596.68/314,655,853.43 = 123,593,425.99/x - Step 3: Cross multiply
228,017,596.68x = 314,655,853.43 × 123,593,425.99 - Step 4: Simplify right side
228,017,596.68x = 38,889,394,933,220,992 - Step 5: Solve for x
x = 38,889,394,933,220,992/228,017,596.68 - Step 6: Final answer
x = 170,554,358.52
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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.