Finding the Fourth Proportional to 83,462,106.24, 115,191,497.28 and 46,304,357.78
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Solution
The fourth proportional to 83,462,106.24, 115,191,497.28 and 46,304,357.78 is: 63,907,664.72
Step by Step Solution
- Step 1: Write the proportion equation
83,462,106.24 : 115,191,497.28 = 46,304,357.78 : x - Step 2: Convert to fraction form
83,462,106.24/115,191,497.28 = 46,304,357.78/x - Step 3: Cross multiply
83,462,106.24x = 115,191,497.28 × 46,304,357.78 - Step 4: Simplify right side
83,462,106.24x = 5,333,868,302,691,059 - Step 5: Solve for x
x = 5,333,868,302,691,059/83,462,106.24 - Step 6: Final answer
x = 63,907,664.72
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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.