Finding the Fourth Proportional to 175,507,938.45, 263,261,907.68 and 124,489,602.45
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Solution
The fourth proportional to 175,507,938.45, 263,261,907.68 and 124,489,602.45 is: 186,734,403.68
Step by Step Solution
- Step 1: Write the proportion equation
175,507,938.45 : 263,261,907.68 = 124,489,602.45 : x - Step 2: Convert to fraction form
175,507,938.45/263,261,907.68 = 124,489,602.45/x - Step 3: Cross multiply
175,507,938.45x = 263,261,907.68 × 124,489,602.45 - Step 4: Simplify right side
175,507,938.45x = 32,773,370,226,689,356 - Step 5: Solve for x
x = 32,773,370,226,689,356/175,507,938.45 - Step 6: Final answer
x = 186,734,403.68
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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.