Finding the Fourth Proportional to 55,139,843.80, 82,709,765.70 and 14,750,327.80
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Solution
The fourth proportional to 55,139,843.80, 82,709,765.70 and 14,750,327.80 is: 22,125,491.70
Step by Step Solution
- Step 1: Write the proportion equation
55,139,843.80 : 82,709,765.70 = 14,750,327.80 : x - Step 2: Convert to fraction form
55,139,843.80/82,709,765.70 = 14,750,327.80/x - Step 3: Cross multiply
55,139,843.80x = 82,709,765.70 × 14,750,327.80 - Step 4: Simplify right side
55,139,843.80x = 1,219,996,156,336,196.50 - Step 5: Solve for x
x = 1,219,996,156,336,196.50/55,139,843.80 - Step 6: Final answer
x = 22,125,491.70
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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.