Finding the Fourth Proportional to 223,507,363.80, 335,261,045.70 and 137,413,921.80
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Solution
The fourth proportional to 223,507,363.80, 335,261,045.70 and 137,413,921.80 is: 206,120,882.70
Step by Step Solution
- Step 1: Write the proportion equation
223,507,363.80 : 335,261,045.70 = 137,413,921.80 : x - Step 2: Convert to fraction form
223,507,363.80/335,261,045.70 = 137,413,921.80/x - Step 3: Cross multiply
223,507,363.80x = 335,261,045.70 × 137,413,921.80 - Step 4: Simplify right side
223,507,363.80x = 46,069,535,116,406,032 - Step 5: Solve for x
x = 46,069,535,116,406,032/223,507,363.80 - Step 6: Final answer
x = 206,120,882.70
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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.