Finding the Fourth Proportional to 48,702,689.34, 67,216,398.12 and 29,860,939.23
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Solution
The fourth proportional to 48,702,689.34, 67,216,398.12 and 29,860,939.23 is: 41,212,196.01
Step by Step Solution
- Step 1: Write the proportion equation
48,702,689.34 : 67,216,398.12 = 29,860,939.23 : x - Step 2: Convert to fraction form
48,702,689.34/67,216,398.12 = 29,860,939.23/x - Step 3: Cross multiply
48,702,689.34x = 67,216,398.12 × 29,860,939.23 - Step 4: Simplify right side
48,702,689.34x = 2,007,144,779,520,806.50 - Step 5: Solve for x
x = 2,007,144,779,520,806.50/48,702,689.34 - Step 6: Final answer
x = 41,212,196.01
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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.