Finding the Fourth Proportional to 118,927,213.80, 178,390,820.70 and 88,694,125.80
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Solution
The fourth proportional to 118,927,213.80, 178,390,820.70 and 88,694,125.80 is: 133,041,188.70
Step by Step Solution
- Step 1: Write the proportion equation
118,927,213.80 : 178,390,820.70 = 88,694,125.80 : x - Step 2: Convert to fraction form
118,927,213.80/178,390,820.70 = 88,694,125.80/x - Step 3: Cross multiply
118,927,213.80x = 178,390,820.70 × 88,694,125.80 - Step 4: Simplify right side
118,927,213.80x = 15,822,217,892,731,042 - Step 5: Solve for x
x = 15,822,217,892,731,042/118,927,213.80 - Step 6: Final answer
x = 133,041,188.70
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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.