Finding the Fourth Proportional to 217,248,744.20, 325,873,116.30 and 193,062,273.80
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Solution
The fourth proportional to 217,248,744.20, 325,873,116.30 and 193,062,273.80 is: 289,593,410.70
Step by Step Solution
- Step 1: Write the proportion equation
217,248,744.20 : 325,873,116.30 = 193,062,273.80 : x - Step 2: Convert to fraction form
217,248,744.20/325,873,116.30 = 193,062,273.80/x - Step 3: Cross multiply
217,248,744.20x = 325,873,116.30 × 193,062,273.80 - Step 4: Simplify right side
217,248,744.20x = 62,913,804,803,169,848 - Step 5: Solve for x
x = 62,913,804,803,169,848/217,248,744.20 - Step 6: Final answer
x = 289,593,410.70
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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.