Finding the Fourth Proportional to 272,947,754.88, 409,493,424.24 and 98,088,454.08
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Solution
The fourth proportional to 272,947,754.88, 409,493,424.24 and 98,088,454.08 is: 147,158,480.78
Step by Step Solution
- Step 1: Write the proportion equation
272,947,754.88 : 409,493,424.24 = 98,088,454.08 : x - Step 2: Convert to fraction form
272,947,754.88/409,493,424.24 = 98,088,454.08/x - Step 3: Cross multiply
272,947,754.88x = 409,493,424.24 × 98,088,454.08 - Step 4: Simplify right side
272,947,754.88x = 40,166,576,939,627,200 - Step 5: Solve for x
x = 40,166,576,939,627,200/272,947,754.88 - Step 6: Final answer
x = 147,158,480.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.