Finding the Fourth Proportional to 203,149,611.84, 280,363,753.92 and 115,059,280
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Solution
The fourth proportional to 203,149,611.84, 280,363,753.92 and 115,059,280 is: 158,791,598.82
Step by Step Solution
- Step 1: Write the proportion equation
203,149,611.84 : 280,363,753.92 = 115,059,280 : x - Step 2: Convert to fraction form
203,149,611.84/280,363,753.92 = 115,059,280/x - Step 3: Cross multiply
203,149,611.84x = 280,363,753.92 × 115,059,280 - Step 4: Simplify right side
203,149,611.84x = 32,258,451,664,132,380 - Step 5: Solve for x
x = 32,258,451,664,132,380/203,149,611.84 - Step 6: Final answer
x = 158,791,598.82
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1.5x scale
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.