Finding the Fourth Proportional to 125,961,828.30, 188,942,742.45 and 104,438,467.80
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Solution
The fourth proportional to 125,961,828.30, 188,942,742.45 and 104,438,467.80 is: 156,657,701.70
Step by Step Solution
- Step 1: Write the proportion equation
125,961,828.30 : 188,942,742.45 = 104,438,467.80 : x - Step 2: Convert to fraction form
125,961,828.30/188,942,742.45 = 104,438,467.80/x - Step 3: Cross multiply
125,961,828.30x = 188,942,742.45 × 104,438,467.80 - Step 4: Simplify right side
125,961,828.30x = 19,732,890,523,408,016 - Step 5: Solve for x
x = 19,732,890,523,408,016/125,961,828.30 - Step 6: Final answer
x = 156,657,701.70
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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.