Finding the Fourth Proportional to 83,663,374.91, 115,458,260.90 and 46,495,221.48
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Solution
The fourth proportional to 83,663,374.91, 115,458,260.90 and 46,495,221.48 is: 64,164,963.68
Step by Step Solution
- Step 1: Write the proportion equation
83,663,374.91 : 115,458,260.90 = 46,495,221.48 : x - Step 2: Convert to fraction form
83,663,374.91/115,458,260.90 = 46,495,221.48/x - Step 3: Cross multiply
83,663,374.91x = 115,458,260.90 × 46,495,221.48 - Step 4: Simplify right side
83,663,374.91x = 5,368,257,412,008,647 - Step 5: Solve for x
x = 5,368,257,412,008,647/83,663,374.91 - Step 6: Final answer
x = 64,164,963.68
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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.