Finding the Fourth Proportional to 142,150,858.02, 213,239,299.62 and 39,914,206.74
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Solution
The fourth proportional to 142,150,858.02, 213,239,299.62 and 39,914,206.74 is: 59,874,963.88
Step by Step Solution
- Step 1: Write the proportion equation
142,150,858.02 : 213,239,299.62 = 39,914,206.74 : x - Step 2: Convert to fraction form
142,150,858.02/213,239,299.62 = 39,914,206.74/x - Step 3: Cross multiply
142,150,858.02x = 213,239,299.62 × 39,914,206.74 - Step 4: Simplify right side
142,150,858.02x = 8,511,277,490,125,484 - Step 5: Solve for x
x = 8,511,277,490,125,484/142,150,858.02 - Step 6: Final answer
x = 59,874,963.88
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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.