Finding the Fourth Proportional to 165,888,232.20, 248,832,348.30 and 75,014,785.80
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Solution
The fourth proportional to 165,888,232.20, 248,832,348.30 and 75,014,785.80 is: 112,522,178.70
Step by Step Solution
- Step 1: Write the proportion equation
165,888,232.20 : 248,832,348.30 = 75,014,785.80 : x - Step 2: Convert to fraction form
165,888,232.20/248,832,348.30 = 75,014,785.80/x - Step 3: Cross multiply
165,888,232.20x = 248,832,348.30 × 75,014,785.80 - Step 4: Simplify right side
165,888,232.20x = 18,666,105,307,835,496 - Step 5: Solve for x
x = 18,666,105,307,835,496/165,888,232.20 - Step 6: Final answer
x = 112,522,178.70
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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.