Finding the Fourth Proportional to 186,321,215.09, 257,119,941.05 and 101,549,097.49
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Solution
The fourth proportional to 186,321,215.09, 257,119,941.05 and 101,549,097.49 is: 140,135,936.47
Step by Step Solution
- Step 1: Write the proportion equation
186,321,215.09 : 257,119,941.05 = 101,549,097.49 : x - Step 2: Convert to fraction form
186,321,215.09/257,119,941.05 = 101,549,097.49/x - Step 3: Cross multiply
186,321,215.09x = 257,119,941.05 × 101,549,097.49 - Step 4: Simplify right side
186,321,215.09x = 26,110,297,960,783,472 - Step 5: Solve for x
x = 26,110,297,960,783,472/186,321,215.09 - Step 6: Final answer
x = 140,135,936.47
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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.