Finding the Fourth Proportional to 125,986,254.30, 188,979,381.45 and 104,462,893.80
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Solution
The fourth proportional to 125,986,254.30, 188,979,381.45 and 104,462,893.80 is: 156,694,340.70
Step by Step Solution
- Step 1: Write the proportion equation
125,986,254.30 : 188,979,381.45 = 104,462,893.80 : x - Step 2: Convert to fraction form
125,986,254.30/188,979,381.45 = 104,462,893.80/x - Step 3: Cross multiply
125,986,254.30x = 188,979,381.45 × 104,462,893.80 - Step 4: Simplify right side
125,986,254.30x = 19,741,333,054,801,040 - Step 5: Solve for x
x = 19,741,333,054,801,040/125,986,254.30 - Step 6: Final answer
x = 156,694,340.70
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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.