Finding the Fourth Proportional to 124,033,863.36, 171,166,731.68 and 69,042,710.56
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Solution
The fourth proportional to 124,033,863.36, 171,166,731.68 and 69,042,710.56 is: 95,278,940.71
Step by Step Solution
- Step 1: Write the proportion equation
124,033,863.36 : 171,166,731.68 = 69,042,710.56 : x - Step 2: Convert to fraction form
124,033,863.36/171,166,731.68 = 69,042,710.56/x - Step 3: Cross multiply
124,033,863.36x = 171,166,731.68 × 69,042,710.56 - Step 4: Simplify right side
124,033,863.36x = 11,817,815,112,883,424 - Step 5: Solve for x
x = 11,817,815,112,883,424/124,033,863.36 - Step 6: Final answer
x = 95,278,940.71
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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.