Finding the Fourth Proportional to 103,865,622.84, 155,812,608.50 and 43,267,177.08
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Solution
The fourth proportional to 103,865,622.84, 155,812,608.50 and 43,267,177.08 is: 64,906,670.17
Step by Step Solution
- Step 1: Write the proportion equation
103,865,622.84 : 155,812,608.50 = 43,267,177.08 : x - Step 2: Convert to fraction form
103,865,622.84/155,812,608.50 = 43,267,177.08/x - Step 3: Cross multiply
103,865,622.84x = 155,812,608.50 × 43,267,177.08 - Step 4: Simplify right side
103,865,622.84x = 6,741,571,723,266,213 - Step 5: Solve for x
x = 6,741,571,723,266,213/103,865,622.84 - Step 6: Final answer
x = 64,906,670.17
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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.