Finding the Fourth Proportional to 49,830,047.70, 74,745,071.55 and 27,155,231.70
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Solution
The fourth proportional to 49,830,047.70, 74,745,071.55 and 27,155,231.70 is: 40,732,847.55
Step by Step Solution
- Step 1: Write the proportion equation
49,830,047.70 : 74,745,071.55 = 27,155,231.70 : x - Step 2: Convert to fraction form
49,830,047.70/74,745,071.55 = 27,155,231.70/x - Step 3: Cross multiply
49,830,047.70x = 74,745,071.55 × 27,155,231.70 - Step 4: Simplify right side
49,830,047.70x = 2,029,719,736,373,328 - Step 5: Solve for x
x = 2,029,719,736,373,328/49,830,047.70 - Step 6: Final answer
x = 40,732,847.55
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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.