Finding the Fourth Proportional to 48,702,697.79, 67,216,409.80 and 29,860,947.68
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Solution
The fourth proportional to 48,702,697.79, 67,216,409.80 and 29,860,947.68 is: 41,212,207.68
Step by Step Solution
- Step 1: Write the proportion equation
48,702,697.79 : 67,216,409.80 = 29,860,947.68 : x - Step 2: Convert to fraction form
48,702,697.79/67,216,409.80 = 29,860,947.68/x - Step 3: Cross multiply
48,702,697.79x = 67,216,409.80 × 29,860,947.68 - Step 4: Simplify right side
48,702,697.79x = 2,007,145,695,864,505 - Step 5: Solve for x
x = 2,007,145,695,864,505/48,702,697.79 - Step 6: Final answer
x = 41,212,207.68
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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.