Finding the Fourth Proportional to 74,784,253.12, 112,176,379.68 and 18,050,557.12
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Solution
The fourth proportional to 74,784,253.12, 112,176,379.68 and 18,050,557.12 is: 27,075,835.68
Step by Step Solution
- Step 1: Write the proportion equation
74,784,253.12 : 112,176,379.68 = 18,050,557.12 : x - Step 2: Convert to fraction form
74,784,253.12/112,176,379.68 = 18,050,557.12/x - Step 3: Cross multiply
74,784,253.12x = 112,176,379.68 × 18,050,557.12 - Step 4: Simplify right side
74,784,253.12x = 2,024,846,148,928,647.50 - Step 5: Solve for x
x = 2,024,846,148,928,647.50/74,784,253.12 - Step 6: Final answer
x = 27,075,835.68
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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.