Finding the Fourth Proportional to 50,311,923.17, 69,430,689.11 and 28,583,083.49
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Solution
The fourth proportional to 50,311,923.17, 69,430,689.11 and 28,583,083.49 is: 39,444,788.80
Step by Step Solution
- Step 1: Write the proportion equation
50,311,923.17 : 69,430,689.11 = 28,583,083.49 : x - Step 2: Convert to fraction form
50,311,923.17/69,430,689.11 = 28,583,083.49/x - Step 3: Cross multiply
50,311,923.17x = 69,430,689.11 × 28,583,083.49 - Step 4: Simplify right side
50,311,923.17x = 1,984,543,183,630,025.25 - Step 5: Solve for x
x = 1,984,543,183,630,025.25/50,311,923.17 - Step 6: Final answer
x = 39,444,788.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.