Finding the Fourth Proportional to 177,408,028.80, 266,112,043.20 and 56,239,286.40
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Solution
The fourth proportional to 177,408,028.80, 266,112,043.20 and 56,239,286.40 is: 84,358,929.60
Step by Step Solution
- Step 1: Write the proportion equation
177,408,028.80 : 266,112,043.20 = 56,239,286.40 : x - Step 2: Convert to fraction form
177,408,028.80/266,112,043.20 = 56,239,286.40/x - Step 3: Cross multiply
177,408,028.80x = 266,112,043.20 × 56,239,286.40 - Step 4: Simplify right side
177,408,028.80x = 14,965,951,412,013,972 - Step 5: Solve for x
x = 14,965,951,412,013,972/177,408,028.80 - Step 6: Final answer
x = 84,358,929.60
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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.