Finding the Fourth Proportional to 68,966,706.68, 103,446,310.26 and 21,097,650.68
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Solution
The fourth proportional to 68,966,706.68, 103,446,310.26 and 21,097,650.68 is: 31,645,328.93
Step by Step Solution
- Step 1: Write the proportion equation
68,966,706.68 : 103,446,310.26 = 21,097,650.68 : x - Step 2: Convert to fraction form
68,966,706.68/103,446,310.26 = 21,097,650.68/x - Step 3: Cross multiply
68,966,706.68x = 103,446,310.26 × 21,097,650.68 - Step 4: Simplify right side
68,966,706.68x = 2,182,474,118,000,380 - Step 5: Solve for x
x = 2,182,474,118,000,380/68,966,706.68 - Step 6: Final answer
x = 31,645,328.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.