Finding the Fourth Proportional to 240,543,132.46, 360,867,842.79 and 87,185,203.09
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Solution
The fourth proportional to 240,543,132.46, 360,867,842.79 and 87,185,203.09 is: 130,797,066.79
Step by Step Solution
- Step 1: Write the proportion equation
240,543,132.46 : 360,867,842.79 = 87,185,203.09 : x - Step 2: Convert to fraction form
240,543,132.46/360,867,842.79 = 87,185,203.09/x - Step 3: Cross multiply
240,543,132.46x = 360,867,842.79 × 87,185,203.09 - Step 4: Simplify right side
240,543,132.46x = 31,462,336,162,296,344 - Step 5: Solve for x
x = 31,462,336,162,296,344/240,543,132.46 - Step 6: Final answer
x = 130,797,066.79
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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.