Finding the Fourth Proportional to 159,493,781.70, 239,240,672.55 and 57,244,533.30
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Solution
The fourth proportional to 159,493,781.70, 239,240,672.55 and 57,244,533.30 is: 85,866,799.95
Step by Step Solution
- Step 1: Write the proportion equation
159,493,781.70 : 239,240,672.55 = 57,244,533.30 : x - Step 2: Convert to fraction form
159,493,781.70/239,240,672.55 = 57,244,533.30/x - Step 3: Cross multiply
159,493,781.70x = 239,240,672.55 × 57,244,533.30 - Step 4: Simplify right side
159,493,781.70x = 13,695,220,646,502,870 - Step 5: Solve for x
x = 13,695,220,646,502,870/159,493,781.70 - Step 6: Final answer
x = 85,866,799.95
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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.