Finding the Fourth Proportional to 177,292,645.15, 244,729,137.96 and 106,731,535.05
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Solution
The fourth proportional to 177,292,645.15, 244,729,137.96 and 106,731,535.05 is: 147,328,822.04
Step by Step Solution
- Step 1: Write the proportion equation
177,292,645.15 : 244,729,137.96 = 106,731,535.05 : x - Step 2: Convert to fraction form
177,292,645.15/244,729,137.96 = 106,731,535.05/x - Step 3: Cross multiply
177,292,645.15x = 244,729,137.96 × 106,731,535.05 - Step 4: Simplify right side
177,292,645.15x = 26,120,316,564,977,208 - Step 5: Solve for x
x = 26,120,316,564,977,208/177,292,645.15 - Step 6: Final answer
x = 147,328,822.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.