Finding the Fourth Proportional to 368,776,140.87, 508,904,927.37 and 201,508,727.48
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Solution
The fourth proportional to 368,776,140.87, 508,904,927.37 and 201,508,727.48 is: 278,078,685.02
Step by Step Solution
- Step 1: Write the proportion equation
368,776,140.87 : 508,904,927.37 = 201,508,727.48 : x - Step 2: Convert to fraction form
368,776,140.87/508,904,927.37 = 201,508,727.48/x - Step 3: Cross multiply
368,776,140.87x = 508,904,927.37 × 201,508,727.48 - Step 4: Simplify right side
368,776,140.87x = 102,548,784,320,086,000 - Step 5: Solve for x
x = 102,548,784,320,086,000/368,776,140.87 - Step 6: Final answer
x = 278,078,685.02
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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.