Finding the Fourth Proportional to 73,788,873.30, 110,750,475.96 and 39,274,251.66
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Solution
The fourth proportional to 73,788,873.30, 110,750,475.96 and 39,274,251.66 is: 58,947,126.71
Step by Step Solution
- Step 1: Write the proportion equation
73,788,873.30 : 110,750,475.96 = 39,274,251.66 : x - Step 2: Convert to fraction form
73,788,873.30/110,750,475.96 = 39,274,251.66/x - Step 3: Cross multiply
73,788,873.30x = 110,750,475.96 × 39,274,251.66 - Step 4: Simplify right side
73,788,873.30x = 4,349,642,064,317,819.50 - Step 5: Solve for x
x = 4,349,642,064,317,819.50/73,788,873.30 - Step 6: Final answer
x = 58,947,126.71
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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.