Finding the Fourth Proportional to 112,272,779.70, 168,310,776.42 and 53,951,410.80
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Solution
The fourth proportional to 112,272,779.70, 168,310,776.42 and 53,951,410.80 is: 80,879,834.50
Step by Step Solution
- Step 1: Write the proportion equation
112,272,779.70 : 168,310,776.42 = 53,951,410.80 : x - Step 2: Convert to fraction form
112,272,779.70/168,310,776.42 = 53,951,410.80/x - Step 3: Cross multiply
112,272,779.70x = 168,310,776.42 × 53,951,410.80 - Step 4: Simplify right side
112,272,779.70x = 9,080,603,840,702,372 - Step 5: Solve for x
x = 9,080,603,840,702,372/112,272,779.70 - Step 6: Final answer
x = 80,879,834.50
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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.