Finding the Fourth Proportional to 58,168,595.75, 80,270,246.69 and 31,706,367.68
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Solution
The fourth proportional to 58,168,595.75, 80,270,246.69 and 31,706,367.68 is: 43,753,470.79
Step by Step Solution
- Step 1: Write the proportion equation
58,168,595.75 : 80,270,246.69 = 31,706,367.68 : x - Step 2: Convert to fraction form
58,168,595.75/80,270,246.69 = 31,706,367.68/x - Step 3: Cross multiply
58,168,595.75x = 80,270,246.69 × 31,706,367.68 - Step 4: Simplify right side
58,168,595.75x = 2,545,077,955,037,501.50 - Step 5: Solve for x
x = 2,545,077,955,037,501.50/58,168,595.75 - Step 6: Final answer
x = 43,753,470.79
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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.