Finding the Fourth Proportional to 103,784,163.30, 155,676,244.95 and 65,614,889.70
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Solution
The fourth proportional to 103,784,163.30, 155,676,244.95 and 65,614,889.70 is: 98,422,334.55
Step by Step Solution
- Step 1: Write the proportion equation
103,784,163.30 : 155,676,244.95 = 65,614,889.70 : x - Step 2: Convert to fraction form
103,784,163.30/155,676,244.95 = 65,614,889.70/x - Step 3: Cross multiply
103,784,163.30x = 155,676,244.95 × 65,614,889.70 - Step 4: Simplify right side
103,784,163.30x = 10,214,679,641,304,432 - Step 5: Solve for x
x = 10,214,679,641,304,432/103,784,163.30 - Step 6: Final answer
x = 98,422,334.55
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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.