Finding the Fourth Proportional to 68,235,391.84, 102,337,989.84 and 19,702,710.88
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Solution
The fourth proportional to 68,235,391.84, 102,337,989.84 and 19,702,710.88 is: 29,549,706.85
Step by Step Solution
- Step 1: Write the proportion equation
68,235,391.84 : 102,337,989.84 = 19,702,710.88 : x - Step 2: Convert to fraction form
68,235,391.84/102,337,989.84 = 19,702,710.88/x - Step 3: Cross multiply
68,235,391.84x = 102,337,989.84 × 19,702,710.88 - Step 4: Simplify right side
68,235,391.84x = 2,016,335,825,857,897.50 - Step 5: Solve for x
x = 2,016,335,825,857,897.50/68,235,391.84 - Step 6: Final answer
x = 29,549,706.85
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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.