Finding the Fourth Proportional to 307,584,034.20, 461,376,051.30 and 161,818,248.60
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Solution
The fourth proportional to 307,584,034.20, 461,376,051.30 and 161,818,248.60 is: 242,727,372.90
Step by Step Solution
- Step 1: Write the proportion equation
307,584,034.20 : 461,376,051.30 = 161,818,248.60 : x - Step 2: Convert to fraction form
307,584,034.20/461,376,051.30 = 161,818,248.60/x - Step 3: Cross multiply
307,584,034.20x = 461,376,051.30 × 161,818,248.60 - Step 4: Simplify right side
307,584,034.20x = 74,659,064,567,349,760 - Step 5: Solve for x
x = 74,659,064,567,349,760/307,584,034.20 - Step 6: Final answer
x = 242,727,372.90
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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.