Finding the Fourth Proportional to 85,596,304.48, 128,415,370.05 and 27,303,992.57
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Solution
The fourth proportional to 85,596,304.48, 128,415,370.05 and 27,303,992.57 is: 40,962,659.91
Step by Step Solution
- Step 1: Write the proportion equation
85,596,304.48 : 128,415,370.05 = 27,303,992.57 : x - Step 2: Convert to fraction form
85,596,304.48/128,415,370.05 = 27,303,992.57/x - Step 3: Cross multiply
85,596,304.48x = 128,415,370.05 × 27,303,992.57 - Step 4: Simplify right side
85,596,304.48x = 3,506,252,310,040,039 - Step 5: Solve for x
x = 3,506,252,310,040,039/85,596,304.48 - Step 6: Final answer
x = 40,962,659.91
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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.