Finding the Fourth Proportional to 115,690,890.51, 173,549,499.68 and 41,949,403.99
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Solution
The fourth proportional to 115,690,890.51, 173,549,499.68 and 41,949,403.99 is: 62,928,879.20
Step by Step Solution
- Step 1: Write the proportion equation
115,690,890.51 : 173,549,499.68 = 41,949,403.99 : x - Step 2: Convert to fraction form
115,690,890.51/173,549,499.68 = 41,949,403.99/x - Step 3: Cross multiply
115,690,890.51x = 173,549,499.68 × 41,949,403.99 - Step 4: Simplify right side
115,690,890.51x = 7,280,298,074,009,695 - Step 5: Solve for x
x = 7,280,298,074,009,695/115,690,890.51 - Step 6: Final answer
x = 62,928,879.20
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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.