Finding the Fourth Proportional to 115,461,476.25, 159,335,567.87 and 62,536,867.33
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Solution
The fourth proportional to 115,461,476.25, 159,335,567.87 and 62,536,867.33 is: 86,300,189.39
Step by Step Solution
- Step 1: Write the proportion equation
115,461,476.25 : 159,335,567.87 = 62,536,867.33 : x - Step 2: Convert to fraction form
115,461,476.25/159,335,567.87 = 62,536,867.33/x - Step 3: Cross multiply
115,461,476.25x = 159,335,567.87 × 62,536,867.33 - Step 4: Simplify right side
115,461,476.25x = 9,964,347,268,125,378 - Step 5: Solve for x
x = 9,964,347,268,125,378/115,461,476.25 - Step 6: Final answer
x = 86,300,189.39
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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.