Finding the Fourth Proportional to 211,743,664.02, 317,615,742.99 and 66,177,988.38
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Solution
The fourth proportional to 211,743,664.02, 317,615,742.99 and 66,177,988.38 is: 99,267,059.75
Step by Step Solution
- Step 1: Write the proportion equation
211,743,664.02 : 317,615,742.99 = 66,177,988.38 : x - Step 2: Convert to fraction form
211,743,664.02/317,615,742.99 = 66,177,988.38/x - Step 3: Cross multiply
211,743,664.02x = 317,615,742.99 × 66,177,988.38 - Step 4: Simplify right side
211,743,664.02x = 21,019,170,948,897,288 - Step 5: Solve for x
x = 21,019,170,948,897,288/211,743,664.02 - Step 6: Final answer
x = 99,267,059.75
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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.