Finding the Fourth Proportional to 277,995,479.37, 417,017,454.12 and 91,193,414.10
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Solution
The fourth proportional to 277,995,479.37, 417,017,454.12 and 91,193,414.10 is: 136,798,071.20
Step by Step Solution
- Step 1: Write the proportion equation
277,995,479.37 : 417,017,454.12 = 91,193,414.10 : x - Step 2: Convert to fraction form
277,995,479.37/417,017,454.12 = 91,193,414.10/x - Step 3: Cross multiply
277,995,479.37x = 417,017,454.12 × 91,193,414.10 - Step 4: Simplify right side
277,995,479.37x = 38,029,245,380,492,912 - Step 5: Solve for x
x = 38,029,245,380,492,912/277,995,479.37 - Step 6: Final answer
x = 136,798,071.20
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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.