Finding the Fourth Proportional to 221,420,326.14, 332,139,567.08 and 75,953,923.83
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Solution
The fourth proportional to 221,420,326.14, 332,139,567.08 and 75,953,923.83 is: 113,933,999.73
Step by Step Solution
- Step 1: Write the proportion equation
221,420,326.14 : 332,139,567.08 = 75,953,923.83 : x - Step 2: Convert to fraction form
221,420,326.14/332,139,567.08 = 75,953,923.83/x - Step 3: Cross multiply
221,420,326.14x = 332,139,567.08 × 75,953,923.83 - Step 4: Simplify right side
221,420,326.14x = 25,227,303,379,113,380 - Step 5: Solve for x
x = 25,227,303,379,113,380/221,420,326.14 - Step 6: Final answer
x = 113,933,999.73
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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.