Finding the Fourth Proportional to 48,276,165.20, 72,319,769.40 and 29,049,810.80
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Solution
The fourth proportional to 48,276,165.20, 72,319,769.40 and 29,049,810.80 is: 43,517,864.55
Step by Step Solution
- Step 1: Write the proportion equation
48,276,165.20 : 72,319,769.40 = 29,049,810.80 : x - Step 2: Convert to fraction form
48,276,165.20/72,319,769.40 = 29,049,810.80/x - Step 3: Cross multiply
48,276,165.20x = 72,319,769.40 × 29,049,810.80 - Step 4: Simplify right side
48,276,165.20x = 2,100,875,618,169,629.75 - Step 5: Solve for x
x = 2,100,875,618,169,629.75/48,276,165.20 - Step 6: Final answer
x = 43,517,864.55
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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.