Finding the Fourth Proportional to 48,958,859.80, 73,438,289.70 and 29,475,314.20
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Solution
The fourth proportional to 48,958,859.80, 73,438,289.70 and 29,475,314.20 is: 44,212,971.30
Step by Step Solution
- Step 1: Write the proportion equation
48,958,859.80 : 73,438,289.70 = 29,475,314.20 : x - Step 2: Convert to fraction form
48,958,859.80/73,438,289.70 = 29,475,314.20/x - Step 3: Cross multiply
48,958,859.80x = 73,438,289.70 × 29,475,314.20 - Step 4: Simplify right side
48,958,859.80x = 2,164,616,663,218,123.75 - Step 5: Solve for x
x = 2,164,616,663,218,123.75/48,958,859.80 - Step 6: Final answer
x = 44,212,971.30
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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.