Finding the Fourth Proportional to 80,051,732.74, 110,471,485.62 and 43,382,303.74
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Solution
The fourth proportional to 80,051,732.74, 110,471,485.62 and 43,382,303.74 is: 59,867,630.34
Step by Step Solution
- Step 1: Write the proportion equation
80,051,732.74 : 110,471,485.62 = 43,382,303.74 : x - Step 2: Convert to fraction form
80,051,732.74/110,471,485.62 = 43,382,303.74/x - Step 3: Cross multiply
80,051,732.74x = 110,471,485.62 × 43,382,303.74 - Step 4: Simplify right side
80,051,732.74x = 4,792,507,543,775,883 - Step 5: Solve for x
x = 4,792,507,543,775,883/80,051,732.74 - Step 6: Final answer
x = 59,867,630.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.