Finding the Fourth Proportional to 56,165,728.80, 84,248,593.20 and 27,430,298.40
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Solution
The fourth proportional to 56,165,728.80, 84,248,593.20 and 27,430,298.40 is: 41,145,447.60
Step by Step Solution
- Step 1: Write the proportion equation
56,165,728.80 : 84,248,593.20 = 27,430,298.40 : x - Step 2: Convert to fraction form
56,165,728.80/84,248,593.20 = 27,430,298.40/x - Step 3: Cross multiply
56,165,728.80x = 84,248,593.20 × 27,430,298.40 - Step 4: Simplify right side
56,165,728.80x = 2,310,964,051,256,211 - Step 5: Solve for x
x = 2,310,964,051,256,211/56,165,728.80 - Step 6: Final answer
x = 41,145,447.60
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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.