Finding the Fourth Proportional to 45,793,143.36, 63,127,965.60 and 31,999,279.68
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Solution
The fourth proportional to 45,793,143.36, 63,127,965.60 and 31,999,279.68 is: 44,112,486.69
Step by Step Solution
- Step 1: Write the proportion equation
45,793,143.36 : 63,127,965.60 = 31,999,279.68 : x - Step 2: Convert to fraction form
45,793,143.36/63,127,965.60 = 31,999,279.68/x - Step 3: Cross multiply
45,793,143.36x = 63,127,965.60 × 31,999,279.68 - Step 4: Simplify right side
45,793,143.36x = 2,020,049,426,863,819 - Step 5: Solve for x
x = 2,020,049,426,863,819/45,793,143.36 - Step 6: Final answer
x = 44,112,486.69
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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.