Finding the Fourth Proportional to 159,770,848.10, 239,656,272.15 and 82,286,750.30
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Solution
The fourth proportional to 159,770,848.10, 239,656,272.15 and 82,286,750.30 is: 123,430,125.45
Step by Step Solution
- Step 1: Write the proportion equation
159,770,848.10 : 239,656,272.15 = 82,286,750.30 : x - Step 2: Convert to fraction form
159,770,848.10/239,656,272.15 = 82,286,750.30/x - Step 3: Cross multiply
159,770,848.10x = 239,656,272.15 × 82,286,750.30 - Step 4: Simplify right side
159,770,848.10x = 19,720,535,824,235,892 - Step 5: Solve for x
x = 19,720,535,824,235,892/159,770,848.10 - Step 6: Final answer
x = 123,430,125.45
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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.