Finding the Fourth Proportional to 79,337,163.15, 118,964,454.17 and 28,211,751.63
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Solution
The fourth proportional to 79,337,163.15, 118,964,454.17 and 28,211,751.63 is: 42,302,944.80
Step by Step Solution
- Step 1: Write the proportion equation
79,337,163.15 : 118,964,454.17 = 28,211,751.63 : x - Step 2: Convert to fraction form
79,337,163.15/118,964,454.17 = 28,211,751.63/x - Step 3: Cross multiply
79,337,163.15x = 118,964,454.17 × 28,211,751.63 - Step 4: Simplify right side
79,337,163.15x = 3,356,195,633,701,499 - Step 5: Solve for x
x = 3,356,195,633,701,499/79,337,163.15 - Step 6: Final answer
x = 42,302,944.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.