Finding the Fourth Proportional to 48,513,048.80, 72,769,573.20 and 46,599,861.20
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Solution
The fourth proportional to 48,513,048.80, 72,769,573.20 and 46,599,861.20 is: 69,899,791.80
Step by Step Solution
- Step 1: Write the proportion equation
48,513,048.80 : 72,769,573.20 = 46,599,861.20 : x - Step 2: Convert to fraction form
48,513,048.80/72,769,573.20 = 46,599,861.20/x - Step 3: Cross multiply
48,513,048.80x = 72,769,573.20 × 46,599,861.20 - Step 4: Simplify right side
48,513,048.80x = 3,391,052,010,703,240 - Step 5: Solve for x
x = 3,391,052,010,703,240/48,513,048.80 - Step 6: Final answer
x = 69,899,791.80
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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.