Finding the Fourth Proportional to 178,689,907.80, 268,050,302.28 and 49,297,518
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Solution
The fourth proportional to 178,689,907.80, 268,050,302.28 and 49,297,518 is: 73,950,536.79
Step by Step Solution
- Step 1: Write the proportion equation
178,689,907.80 : 268,050,302.28 = 49,297,518 : x - Step 2: Convert to fraction form
178,689,907.80/268,050,302.28 = 49,297,518/x - Step 3: Cross multiply
178,689,907.80x = 268,050,302.28 × 49,297,518 - Step 4: Simplify right side
178,689,907.80x = 13,214,214,601,553,742 - Step 5: Solve for x
x = 13,214,214,601,553,742/178,689,907.80 - Step 6: Final answer
x = 73,950,536.79
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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.