Finding the Fourth Proportional to 313,069,688.58, 432,076,028.19 and 189,311,251.38
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Solution
The fourth proportional to 313,069,688.58, 432,076,028.19 and 189,311,251.38 is: 261,273,628.75
Step by Step Solution
- Step 1: Write the proportion equation
313,069,688.58 : 432,076,028.19 = 189,311,251.38 : x - Step 2: Convert to fraction form
313,069,688.58/432,076,028.19 = 189,311,251.38/x - Step 3: Cross multiply
313,069,688.58x = 432,076,028.19 × 189,311,251.38 - Step 4: Simplify right side
313,069,688.58x = 81,796,853,587,949,056 - Step 5: Solve for x
x = 81,796,853,587,949,056/313,069,688.58 - Step 6: Final answer
x = 261,273,628.75
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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.