Finding the Fourth Proportional to 118,828,556.99, 178,117,035.10 and 39,969,993.45
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Solution
The fourth proportional to 118,828,556.99, 178,117,035.10 and 39,969,993.45 is: 59,912,675.09
Step by Step Solution
- Step 1: Write the proportion equation
118,828,556.99 : 178,117,035.10 = 39,969,993.45 : x - Step 2: Convert to fraction form
118,828,556.99/178,117,035.10 = 39,969,993.45/x - Step 3: Cross multiply
118,828,556.99x = 178,117,035.10 × 39,969,993.45 - Step 4: Simplify right side
118,828,556.99x = 7,119,336,726,280,420 - Step 5: Solve for x
x = 7,119,336,726,280,420/118,828,556.99 - Step 6: Final answer
x = 59,912,675.09
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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.