Finding the Fourth Proportional to 201,106,968.74, 301,658,525.58 and 119,166,863.84
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Solution
The fourth proportional to 201,106,968.74, 301,658,525.58 and 119,166,863.84 is: 178,749,153.59
Step by Step Solution
- Step 1: Write the proportion equation
201,106,968.74 : 301,658,525.58 = 119,166,863.84 : x - Step 2: Convert to fraction form
201,106,968.74/301,658,525.58 = 119,166,863.84/x - Step 3: Cross multiply
201,106,968.74x = 301,658,525.58 × 119,166,863.84 - Step 4: Simplify right side
201,106,968.74x = 35,947,700,443,967,016 - Step 5: Solve for x
x = 35,947,700,443,967,016/201,106,968.74 - Step 6: Final answer
x = 178,749,153.59
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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.