Finding the Fourth Proportional to 200,270,855.84, 276,370,123.10 and 110,962,474.29
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Solution
The fourth proportional to 200,270,855.84, 276,370,123.10 and 110,962,474.29 is: 153,126,187.79
Step by Step Solution
- Step 1: Write the proportion equation
200,270,855.84 : 276,370,123.10 = 110,962,474.29 : x - Step 2: Convert to fraction form
200,270,855.84/276,370,123.10 = 110,962,474.29/x - Step 3: Cross multiply
200,270,855.84x = 276,370,123.10 × 110,962,474.29 - Step 4: Simplify right side
200,270,855.84x = 30,666,712,678,453,076 - Step 5: Solve for x
x = 30,666,712,678,453,076/200,270,855.84 - Step 6: Final answer
x = 153,126,187.79
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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.