Finding the Fourth Proportional to 325,953,501.80, 488,930,252.70 and 83,616,405.80
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Solution
The fourth proportional to 325,953,501.80, 488,930,252.70 and 83,616,405.80 is: 125,424,608.70
Step by Step Solution
- Step 1: Write the proportion equation
325,953,501.80 : 488,930,252.70 = 83,616,405.80 : x - Step 2: Convert to fraction form
325,953,501.80/488,930,252.70 = 83,616,405.80/x - Step 3: Cross multiply
325,953,501.80x = 488,930,252.70 × 83,616,405.80 - Step 4: Simplify right side
325,953,501.80x = 40,882,590,417,659,744 - Step 5: Solve for x
x = 40,882,590,417,659,744/325,953,501.80 - Step 6: Final answer
x = 125,424,608.70
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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.