Finding the Fourth Proportional to 125,973,253.20, 188,959,879.80 and 62,272,261.20
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Solution
The fourth proportional to 125,973,253.20, 188,959,879.80 and 62,272,261.20 is: 93,408,391.80
Step by Step Solution
- Step 1: Write the proportion equation
125,973,253.20 : 188,959,879.80 = 62,272,261.20 : x - Step 2: Convert to fraction form
125,973,253.20/188,959,879.80 = 62,272,261.20/x - Step 3: Cross multiply
125,973,253.20x = 188,959,879.80 × 62,272,261.20 - Step 4: Simplify right side
125,973,253.20x = 11,766,958,991,226,206 - Step 5: Solve for x
x = 11,766,958,991,226,206/125,973,253.20 - Step 6: Final answer
x = 93,408,391.80
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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.