Finding the Fourth Proportional to 118,098,211.20, 177,147,316.80 and 69,526,204.80
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Solution
The fourth proportional to 118,098,211.20, 177,147,316.80 and 69,526,204.80 is: 104,289,307.20
Step by Step Solution
- Step 1: Write the proportion equation
118,098,211.20 : 177,147,316.80 = 69,526,204.80 : x - Step 2: Convert to fraction form
118,098,211.20/177,147,316.80 = 69,526,204.80/x - Step 3: Cross multiply
118,098,211.20x = 177,147,316.80 × 69,526,204.80 - Step 4: Simplify right side
118,098,211.20x = 12,316,380,627,607,280 - Step 5: Solve for x
x = 12,316,380,627,607,280/118,098,211.20 - Step 6: Final answer
x = 104,289,307.20
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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.