Finding the Fourth Proportional to 107,412,746.77, 148,247,367.65 and 63,370,513.09
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Solution
The fourth proportional to 107,412,746.77, 148,247,367.65 and 63,370,513.09 is: 87,461,796.06
Step by Step Solution
- Step 1: Write the proportion equation
107,412,746.77 : 148,247,367.65 = 63,370,513.09 : x - Step 2: Convert to fraction form
107,412,746.77/148,247,367.65 = 63,370,513.09/x - Step 3: Cross multiply
107,412,746.77x = 148,247,367.65 × 63,370,513.09 - Step 4: Simplify right side
107,412,746.77x = 9,394,511,752,222,368 - Step 5: Solve for x
x = 9,394,511,752,222,368/107,412,746.77 - Step 6: Final answer
x = 87,461,796.06
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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.